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309620 | https://en.wikipedia.org/wiki/Trisodium%20phosphate | Trisodium phosphate | Trisodium phosphate (TSP) is an inorganic compound with the chemical formula . It is a white, granular or crystalline solid, highly soluble in water, producing an alkaline solution. TSP is used as a cleaning agent, builder, lubricant, food additive, stain remover, and degreaser.
As an item of commerce TSP is often par... | Physical sciences | Phosphoric oxyanions | Chemistry |
309884 | https://en.wikipedia.org/wiki/Bone%20tumor | Bone tumor | A bone tumor is an abnormal growth of tissue in bone, traditionally classified as noncancerous (benign) or cancerous (malignant). Cancerous bone tumors usually originate from a cancer in another part of the body such as from lung, breast, thyroid, kidney and prostate. There may be a lump, pain, or neurological signs f... | Biology and health sciences | Cancer | Health |
309891 | https://en.wikipedia.org/wiki/Patella | Patella | The patella (: patellae or patellas), also known as the kneecap, is a flat, rounded triangular bone which articulates with the femur (thigh bone) and covers and protects the anterior articular surface of the knee joint. The patella is found in many tetrapods, such as mice, cats, birds and dogs, but not in whales, or mo... | Biology and health sciences | Skeletal system | Biology |
310008 | https://en.wikipedia.org/wiki/Katabatic%20wind | Katabatic wind | A katabatic wind (named ) is a downslope wind caused by the flow of an elevated, high-density air mass into a lower-density air mass below under the force of gravity. The spelling catabatic is also used. Since air density is strongly dependent on temperature, the high-density air mass is usually cooler, and the katabat... | Physical sciences | Winds | Earth science |
310094 | https://en.wikipedia.org/wiki/Sore%20throat | Sore throat | Sore throat, also known as throat pain, is pain or irritation of the throat. The majority of sore throats are caused by a virus, for which antibiotics are not helpful.
For sore throat caused by bacteria (GAS), treatment with antibiotics may help the person get better faster, reduce the risk that the bacterial infecti... | Biology and health sciences | Symptoms and signs | Health |
310678 | https://en.wikipedia.org/wiki/Venus%20flytrap | Venus flytrap | The Venus flytrap (Dionaea muscipula) is a carnivorous plant native to the temperate and subtropical wetlands of North Carolina and South Carolina, on the East Coast of the United States. Although various modern hybrids have been created in cultivation, D. muscipula is the only species of the monotypic genus Dionaea. I... | Biology and health sciences | Caryophyllales | Plants |
310782 | https://en.wikipedia.org/wiki/Genetic%20testing | Genetic testing | Genetic testing, also known as DNA testing, is used to identify changes in DNA sequence or chromosome structure. Genetic testing can also include measuring the results of genetic changes, such as RNA analysis as an output of gene expression, or through biochemical analysis to measure specific protein output. In a medic... | Technology | Biotechnology | null |
310889 | https://en.wikipedia.org/wiki/Coproduct | Coproduct | In category theory, the coproduct, or categorical sum, is a construction which includes as examples the disjoint union of sets and of topological spaces, the free product of groups, and the direct sum of modules and vector spaces. The coproduct of a family of objects is essentially the "least specific" object to which... | Mathematics | Category theory | null |
310898 | https://en.wikipedia.org/wiki/Croup | Croup | Croup ( ), also known as croupy cough, is a type of respiratory infection that is usually caused by a virus. The infection leads to swelling inside the trachea, which interferes with normal breathing and produces the classic symptoms of "barking/brassy" cough, inspiratory stridor and a hoarse voice. Fever and runny nos... | Biology and health sciences | Viral diseases | Health |
310959 | https://en.wikipedia.org/wiki/Subcategory | Subcategory | In mathematics, specifically category theory, a subcategory of a category C is a category S whose objects are objects in C and whose morphisms are morphisms in C with the same identities and composition of morphisms. Intuitively, a subcategory of C is a category obtained from C by "removing" some of its objects and arr... | Mathematics | Category theory | null |
311282 | https://en.wikipedia.org/wiki/Gunship | Gunship | A gunship is a military aircraft armed with heavy aircraft guns, primarily intended for attacking ground targets either as airstrike or as close air support.
In modern usage the term "gunship" refers to fixed-wing aircraft having laterally-mounted heavy armaments (i.e. firing to the side) to attack ground or sea targe... | Technology | Military aviation | null |
28730822 | https://en.wikipedia.org/wiki/Algebraic%20number%20field | Algebraic number field | In mathematics, an algebraic number field (or simply number field) is an extension field of the field of rational numbers such that the field extension has finite degree (and hence is an algebraic field extension).
Thus is a field that contains and has finite dimension when considered as a vector space over
The ... | Mathematics | Other | null |
1350158 | https://en.wikipedia.org/wiki/Giant%20Magellan%20Telescope | Giant Magellan Telescope | The Giant Magellan Telescope (GMT) is a ground-based, extremely large telescope currently under construction at Las Campanas Observatory in Chile's Atacama Desert. With a primary mirror diameter of 25.4 meters, it is expected to be the largest Gregorian telescope ever built, observing in optical and mid-infrared wavele... | Technology | Ground-based observatories | null |
1352320 | https://en.wikipedia.org/wiki/Interplanetary%20medium | Interplanetary medium | The interplanetary medium (IPM) or interplanetary space consists of the mass and energy which fills the Solar System, and through which all the larger Solar System bodies, such as planets, dwarf planets, asteroids, and comets, move. The IPM stops at the heliopause, outside of which the interstellar medium begins. Befor... | Physical sciences | Solar System | null |
1352428 | https://en.wikipedia.org/wiki/Modulo | Modulo | In computing, the modulo operation returns the remainder or signed remainder of a division, after one number is divided by another, called the modulus of the operation.
Given two positive numbers and , modulo (often abbreviated as ) is the remainder of the Euclidean division of by , where is the dividend and is ... | Mathematics | Basics | null |
1352555 | https://en.wikipedia.org/wiki/Wheel%20and%20axle | Wheel and axle | The wheel and axle is a simple machine, consisting of a wheel attached to a smaller axle so that these two parts rotate together, in which a force is transferred from one to the other. The wheel and axle can be viewed as a version of the Lever, with a drive force applied tangentially to the perimeter of the wheel, and ... | Technology | Basics_8 | null |
1353433 | https://en.wikipedia.org/wiki/Phalanx%20bone | Phalanx bone | The phalanges (: phalanx ) are digital bones in the hands and feet of most vertebrates. In primates, the thumbs and big toes have two phalanges while the other digits have three phalanges. The phalanges are classed as long bones.
Structure
The phalanges are the bones that make up the fingers of the hand and the toes... | Biology and health sciences | Skeletal system | Biology |
2757224 | https://en.wikipedia.org/wiki/Multiple%20integral | Multiple integral | In mathematics (specifically multivariable calculus), a multiple integral is a definite integral of a function of several real variables, for instance, or .
Integrals of a function of two variables over a region in (the real-number plane) are called double integrals, and integrals of a function of three variables ov... | Mathematics | Calculus and analysis | null |
1984110 | https://en.wikipedia.org/wiki/Gigantothermy | Gigantothermy | Gigantothermy (sometimes called ectothermic homeothermy or inertial homeothermy) is a phenomenon with significance in biology and paleontology, whereby large, bulky ectothermic animals are more easily able to maintain a constant, relatively high body temperature than smaller animals by virtue of their smaller surface-a... | Biology and health sciences | Basics | Biology |
1984367 | https://en.wikipedia.org/wiki/Glacial%20lake | Glacial lake | A glacial lake is a body of water with origins from glacier activity. They are formed when a glacier erodes the land and then melts, filling the depression created by the glacier.
Formation
Near the end of the last glacial period, roughly 10,000 years ago, glaciers began to retreat. A retreating glacier often left beh... | Physical sciences | Hydrology | Earth science |
1984989 | https://en.wikipedia.org/wiki/Minibike | Minibike | A minibike is a two-wheeled, motorized, off-highway recreational vehicle popularized in the 1960s and 1970s, but available continuously from a wide variety of manufacturers since 1959. Their off-highway nature and (in many countries) typically entirely off-road legal status differentiate minibikes from motorcycles and ... | Technology | Motorized road transport | null |
1985133 | https://en.wikipedia.org/wiki/Bupivacaine | Bupivacaine | Bupivacaine, marketed under the brand name Marcaine among others, is a medication used to decrease sensation in a specific small area. In nerve blocks, it is injected around a nerve that supplies the area, or into the spinal canal's epidural space. It is available mixed with a small amount of epinephrine to increase th... | Biology and health sciences | Anesthetics | Health |
1987761 | https://en.wikipedia.org/wiki/Leedsichthys | Leedsichthys | Leedsichthys is an extinct genus of pachycormid fish that lived in the oceans of the Middle to Late Jurassic. It is the largest ray-finned fish, and amongst the largest fish known to have ever existed.
The first remains of Leedsichthys were identified in the nineteenth century. Especially important were the finds by t... | Biology and health sciences | Prehistoric osteichthyans | Animals |
24188286 | https://en.wikipedia.org/wiki/Clione%20limacina | Clione limacina | Clione limacina, known as the naked sea butterfly, sea angel, and common clione, is a sea angel (pelagic sea slug) found from the surface to greater than depth. It lives in the Arctic Ocean and cold regions of the North Atlantic Ocean. It was first described by Friderich Martens in 1676 and became the first gymnosomat... | Biology and health sciences | Gastropods | Animals |
18933037 | https://en.wikipedia.org/wiki/Boeing%20B-52%20Stratofortress | Boeing B-52 Stratofortress | The Boeing B-52 Stratofortress is an American long-range, subsonic, jet-powered strategic bomber. The B-52 was designed and built by Boeing, which has continued to provide support and upgrades. It has been operated by the United States Air Force (USAF) since the 1950s, and by NASA for nearly 50 years. The bomber can ca... | Technology | Specific aircraft | null |
18933196 | https://en.wikipedia.org/wiki/Bismuth | Bismuth | Bismuth is a chemical element with the symbol Bi and atomic number 83. It is a post-transition metal and one of the pnictogens, with chemical properties resembling its lighter group 15 siblings arsenic and antimony. Elemental bismuth occurs naturally, and its sulfide and oxide forms are important commercial ores. The f... | Physical sciences | Chemical elements_2 | null |
18933234 | https://en.wikipedia.org/wiki/Emacs | Emacs | Emacs (), originally named EMACS (an acronym for "Editor Macros"), is a family of text editors that are characterized by their extensibility. The manual for the most widely used variant, GNU Emacs, describes it as "the extensible, customizable, self-documenting, real-time display editor". Development of the first Emacs... | Technology | Office and data management | null |
18933600 | https://en.wikipedia.org/wiki/File%20format | File format | A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode information in a digital storage medium. File formats may be either proprietary or free.
Some file formats are designed for very particular types of data: PNG files, for example, store b... | Technology | File formats | null |
18933632 | https://en.wikipedia.org/wiki/Metadata | Metadata | Metadata (or metainformation) is "data that provides information about other data", but not the content of the data itself, such as the text of a message or the image itself. There are many distinct types of metadata, including:
Descriptive metadata – the descriptive information about a resource. It is used for discov... | Technology | Basics_4 | null |
18934432 | https://en.wikipedia.org/wiki/Cryptography | Cryptography | Cryptography, or cryptology (from "hidden, secret"; and graphein, "to write", or -logia, "study", respectively), is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, cryptography is about constructing and analyzing protocols that prevent third part... | Technology | Computing and information technology | null |
18934934 | https://en.wikipedia.org/wiki/Read-only%20memory | Read-only memory | Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices. Data stored in ROM cannot be electronically modified after the manufacture of the memory device. Read-only memory is useful for storing software that is rarely changed during the life of the system, also known as fir... | Technology | Data storage | null |
18935488 | https://en.wikipedia.org/wiki/Reverse%20engineering | Reverse engineering | Reverse engineering (also known as backwards engineering or back engineering) is a process or method through which one attempts to understand through deductive reasoning how a previously made device, process, system, or piece of software accomplishes a task with very little (if any) insight into exactly how it does so.... | Technology | Basics | null |
18935713 | https://en.wikipedia.org/wiki/Photocopier | Photocopier | A photocopier (also called copier or copy machine, and formerly Xerox machine, the generic trademark) is a machine that makes copies of documents and other visual images onto paper or plastic film quickly and cheaply. Most modern photocopiers use a technology called xerography, a dry process that uses electrostatic cha... | Technology | Media and communication | null |
5041589 | https://en.wikipedia.org/wiki/Autocollimator | Autocollimator | An autocollimator is an optical instrument for non-contact measurement of angles. They are typically used to align components and measure deflections in optical or mechanical systems. An autocollimator works by projecting an image onto a target mirror and measuring the deflection of the returned image against a scale, ... | Technology | Optical instruments | null |
5042951 | https://en.wikipedia.org/wiki/Climate%20change | Climate change | Present-day climate change includes both global warming—the ongoing increase in global average temperature—and its wider effects on Earth’s climate system. Climate change in a broader sense also includes previous long-term changes to Earth's climate. The current rise in global temperatures is driven by human activities... | Physical sciences | Earth science | null |
6631661 | https://en.wikipedia.org/wiki/Transportation%20theory%20%28mathematics%29 | Transportation theory (mathematics) | In mathematics and economics, transportation theory or transport theory is a name given to the study of optimal transportation and allocation of resources. The problem was formalized by the French mathematician Gaspard Monge in 1781.
In the 1920s A.N. Tolstoi was one of the first to study the transportation problem ma... | Mathematics | Optimization | null |
882736 | https://en.wikipedia.org/wiki/Project%20Gemini | Project Gemini | Project Gemini () was the second United States human spaceflight program to fly. Conducted after the first American crewed space program, Project Mercury, while the Apollo program was still in early development, Gemini was conceived in 1961 and concluded in 1966. The Gemini spacecraft carried a two-astronaut crew. Ten ... | Technology | Programs and launch sites | null |
883189 | https://en.wikipedia.org/wiki/Massless%20particle | Massless particle | In particle physics, a massless particle is an elementary particle whose invariant mass is zero. At present the only confirmed massless particle is the photon.
Other particles and quasiparticles
Standard Model gauge bosons
The photon (carrier of electromagnetism) is one of two known gauge bosons that are both believe... | Physical sciences | Subatomic particles: General | Physics |
883363 | https://en.wikipedia.org/wiki/Dicyemida | Dicyemida | Dicyemida, also known as Rhombozoa, is a phylum of tiny parasites that live in the renal appendages of cephalopods.
Taxonomy
Classification is controversial. Traditionally, dicyemids have been grouped with the Orthonectida in the phylum Mesozoa and, from 2017, molecular evidence appears to confirm this.
However, ot... | Biology and health sciences | Spiralia | Animals |
883468 | https://en.wikipedia.org/wiki/Grove%20%28nature%29 | Grove (nature) | A grove is a small group of trees with minimal or no undergrowth, such as a sequoia grove, or a small orchard planted for the cultivation of fruits or nuts. Other words for groups of trees include woodland, woodlot, thicket, and stand. A grove may be called an 'arbour' or 'arbor' (see spelling differences), which is no... | Physical sciences | Forests | Earth science |
884402 | https://en.wikipedia.org/wiki/Cacomistle | Cacomistle | The cacomistle (; Bassariscus sumichrasti), also spelled cacomixtle, is a primarily nocturnal, arboreal, omnivorous member of the carnivoran family Procyonidae (coatis, kinkajous and raccoons). Depending on the location, its preferred habitats are humid and tropical evergreen jungle and montane cloud forests; seasonall... | Biology and health sciences | Procyonidae | Animals |
884437 | https://en.wikipedia.org/wiki/Artesian%20well | Artesian well | An artesian well is a well that brings groundwater to the surface without pumping because it is under pressure within a body of rock or sediment known as an aquifer. When trapped water in an aquifer is surrounded by layers of impermeable rock or clay, which apply positive pressure to the water, it is known as an artesi... | Physical sciences | Hydrology | Earth science |
884809 | https://en.wikipedia.org/wiki/Pikaia | Pikaia | Pikaia gracilens is an extinct, primitive chordate marine animal known from the Middle Cambrian Burgess Shale of British Columbia. Described in 1911 by Charles Doolittle Walcott as an annelid, and in 1979 by Harry B. Whittington and Simon Conway Morris as a chordate, it became "the most famous early chordate fossil", o... | Biology and health sciences | Prehistoric agnathae and early chordates | Animals |
884829 | https://en.wikipedia.org/wiki/Toxocariasis | Toxocariasis | Toxocariasis is an illness of humans caused by the dog roundworm (Toxocara canis) and, less frequently, the cat roundworm (Toxocara cati). These are the most common intestinal roundworms of dogs, coyotes, wolves and foxes and domestic cats, respectively. Humans are among the many "accidental" or paratenic hosts of thes... | Biology and health sciences | Helminthic diseases and infestations | Health |
884908 | https://en.wikipedia.org/wiki/Calabash | Calabash | Calabash (; Lagenaria siceraria), also known as bottle gourd, white-flowered gourd, long melon, birdhouse gourd, New Guinea bean, New Guinea butter bean, Tasmania bean, and opo squash, is a vine grown for its fruit. It can be either harvested young to be consumed as a vegetable, or harvested mature to be dried and used... | Biology and health sciences | Botanical fruits used as culinary vegetables | Plants |
885374 | https://en.wikipedia.org/wiki/Vasco%20da%20Gama%20Bridge | Vasco da Gama Bridge | The Vasco da Gama Bridge () is a cable-stayed bridge flanked by viaducts that spans the Tagus River in Parque das Nações in Lisbon, the capital of Portugal.
It is the second longest bridge in Europe, after the Crimean Bridge, and the longest one in the European Union. It was built to alleviate the congestion on Lisbon... | Technology | Bridges | null |
885375 | https://en.wikipedia.org/wiki/Lost-wax%20casting | Lost-wax casting | Lost-wax castingalso called investment casting, precision casting, or cire perdue (; borrowed from French)is the process by which a duplicate sculpture (often a metal, such as silver, gold, brass, or bronze) is cast from an original sculpture. Intricate works can be achieved by this method.
The oldest known examples o... | Technology | Metallurgy | null |
885379 | https://en.wikipedia.org/wiki/Flying%20shuttle | Flying shuttle | The flying shuttle is a type of weaving shuttle. It was a pivotal advancement in the mechanisation of weaving during the initial stages of the Industrial Revolution, and facilitated the weaving of considerably broader fabrics, enabling the production of wider textiles. Moreover, its mechanical implementation paved the ... | Technology | Weaving | null |
885435 | https://en.wikipedia.org/wiki/Water%20frame | Water frame | The water frame is a spinning frame that is powered by a water-wheel.
History
Richard Arkwright, who patented the technology in 1769, designed a model for the production of cotton thread, which was first used in 1765. The Arkwright water frame was able to spin 96 threads at a time, which was an easier and faster met... | Technology | Spinning | null |
885651 | https://en.wikipedia.org/wiki/Stationary%20point | Stationary point | In mathematics, particularly in calculus, a stationary point of a differentiable function of one variable is a point on the graph of the function where the function's derivative is zero. Informally, it is a point where the function "stops" increasing or decreasing (hence the name).
For a differentiable function of se... | Mathematics | Functions: General | null |
885835 | https://en.wikipedia.org/wiki/Conglomerate%20%28geology%29 | Conglomerate (geology) | Conglomerate () is a sedimentary rock made up of rounded gravel-sized pieces of rock surrounded by finer-grained sediments (such as sand, silt, or clay). The larger fragments within conglomerate are called clasts, while the finer sediment surrounding the clasts is called the matrix. The clasts and matrix are typically ... | Physical sciences | Petrology | null |
885929 | https://en.wikipedia.org/wiki/Chesapeake%20Bay%20Bridge%E2%80%93Tunnel | Chesapeake Bay Bridge–Tunnel | The Chesapeake Bay Bridge–Tunnel (CBBT, officially the Lucius J. Kellam Jr. Bridge–Tunnel) is a bridge–tunnel that crosses the mouth of the Chesapeake Bay between Delmarva and Hampton Roads in the U.S. state of Virginia. It opened in 1964, replacing ferries that had operated since the 1930s. A major project to dualize... | Technology | Multi-modal crossings | null |
886283 | https://en.wikipedia.org/wiki/Britannia%20Bridge | Britannia Bridge | Britannia Bridge () is a bridge in Wales that crosses the Menai Strait between the Isle of Anglesey and city of Bangor. It was originally designed and built by the noted railway engineer Robert Stephenson as a tubular bridge of wrought iron rectangular box-section spans for carrying rail traffic. Its importance was to ... | Technology | Bridges | null |
3726299 | https://en.wikipedia.org/wiki/Blunt%20trauma | Blunt trauma | A blunt trauma, also known as a blunt force trauma or non-penetrating trauma, is a physical trauma due to a forceful impact without penetration of the body's surface. Blunt trauma stands in contrast with penetrating trauma, which occurs when an object pierces the skin, enters body tissue, and creates an open wound. Blu... | Biology and health sciences | Injury | null |
3728109 | https://en.wikipedia.org/wiki/Variable%20%28mathematics%29 | Variable (mathematics) | In mathematics, a variable (from Latin variabilis, "changeable") is a symbol, typically a letter, that refers to an unspecified mathematical object. One says colloquially that the variable represents or denotes the object, and that any valid candidate for the object is the value of the variable. The values a variable c... | Mathematics | Algebra | null |
3728323 | https://en.wikipedia.org/wiki/Type%20Ia%20supernova | Type Ia supernova | A Type Ia supernova (read: "type one-A") is a type of supernova that occurs in binary systems (two stars orbiting one another) in which one of the stars is a white dwarf. The other star can be anything from a giant star to an even smaller white dwarf.
Physically, carbon–oxygen white dwarfs with a low rate of rotation ... | Physical sciences | Stellar astronomy | Astronomy |
6647231 | https://en.wikipedia.org/wiki/Sorghum | Sorghum | Sorghum bicolor, commonly called sorghum () and also known as great millet, broomcorn, guinea corn, durra, imphee, jowar, or milo, is a species in the grass genus Sorghum cultivated for its grain. The grain is used as food by humans, while the plant is used for animal feed and ethanol production. Sorghum originated in ... | Biology and health sciences | Poales | null |
2766531 | https://en.wikipedia.org/wiki/Continuous%20distillation | Continuous distillation | Continuous distillation, a form of distillation, is an ongoing separation in which a mixture is continuously (without interruption) fed into the process and separated fractions are removed continuously as output streams. Distillation is the separation or partial separation of a liquid feed mixture into components or f... | Physical sciences | Phase separations | Chemistry |
2769743 | https://en.wikipedia.org/wiki/Dromornis | Dromornis | Dromornis is a genus of large to enormous prehistoric birds native to Australia during the Oligocene to Pliocene epochs. The species were flightless, possessing greatly reduced wing structures but with large legs, similar to the modern ostrich or emu. They were likely to have been predominantly, if not exclusively, her... | Biology and health sciences | Prehistoric birds | Animals |
5053663 | https://en.wikipedia.org/wiki/Skin%20care | Skin care | Skin care or skincare is a range of practices that support skin integrity, enhance its appearance, and relieve skin conditions. They can include nutrition, avoidance of excessive sun exposure, and appropriate use of emollients. Practices that enhance appearance include the use of cosmetics, botulinum, exfoliation, fill... | Biology and health sciences | Hygiene and grooming: General | Health |
5054457 | https://en.wikipedia.org/wiki/European%20perch | European perch | The European perch (Perca fluviatilis), also known as the common perch, redfin perch, big-scaled redfin, English perch, Euro perch, Eurasian perch, Eurasian river perch, Hatch, poor man's rockfish or in Anglophone parts of Europe, simply the perch, is a predatory freshwater fish native to Europe and North Asia. It is t... | Biology and health sciences | Acanthomorpha | Animals |
530013 | https://en.wikipedia.org/wiki/Personal%20grooming | Personal grooming | Grooming (also called preening) is the art and practice of cleaning and maintaining parts of the body. It is a species-typical behavior.
In animals
Individual animals regularly clean themselves and put their fur, feathers or other skin coverings in good order. This activity is known as personal grooming, a form of h... | Biology and health sciences | Hygiene and grooming: General | Health |
530115 | https://en.wikipedia.org/wiki/Husky | Husky | Husky is a general term for a dog used in the polar regions, primarily and specifically for work as sled dogs. It refers to a traditional northern type, notable for its cold-weather tolerance and overall hardiness. Modern racing huskies that maintain arctic breed traits (also known as Alaskan huskies) represent an ever... | Biology and health sciences | Dogs | Animals |
530525 | https://en.wikipedia.org/wiki/Hydrocortisone | Hydrocortisone | Hydrocortisone is the name for the hormone cortisol when supplied as a medication. It is a corticosteroid and works as an anti-inflammatory and by immune suppression. Uses include conditions such as adrenocortical insufficiency, adrenogenital syndrome, high blood calcium, thyroiditis, rheumatoid arthritis, dermatitis, ... | Biology and health sciences | Specific drugs | Health |
530559 | https://en.wikipedia.org/wiki/Ideal%20%28order%20theory%29 | Ideal (order theory) | In mathematical order theory, an ideal is a special subset of a partially ordered set (poset). Although this term historically was derived from the notion of a ring ideal of abstract algebra, it has subsequently been generalized to a different notion. Ideals are of great importance for many constructions in order and l... | Mathematics | Order theory | null |
530563 | https://en.wikipedia.org/wiki/Argentavis | Argentavis | Argentavis is an extinct genus of teratornithid known from three sites in the Epecuén and Andalhualá Formations in central and northwestern Argentina dating to the Late Miocene (Huayquerian). The type species, A. magnificens, is sometimes called the giant teratorn. Argentavis was among the largest flying birds to ever ... | Biology and health sciences | Prehistoric birds | Animals |
530691 | https://en.wikipedia.org/wiki/Glucocorticoid | Glucocorticoid | Glucocorticoids (or, less commonly, glucocorticosteroids) are a class of corticosteroids, which are a class of steroid hormones. Glucocorticoids are corticosteroids that bind to the glucocorticoid receptor that is present in almost every vertebrate animal cell. The name "glucocorticoid" is a portmanteau (glucose + cort... | Biology and health sciences | Animal hormones | Biology |
530715 | https://en.wikipedia.org/wiki/Residual-current%20device | Residual-current device | A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) is an electrical safety device, more specifically a form of Earth-leakage protection device, that interrupts an electrical circuit when the current passing through a conductor is not equal and opposite in... | Technology | Electrical protective devices | null |
530862 | https://en.wikipedia.org/wiki/Benzocaine | Benzocaine | Benzocaine, sold under the brand name Orajel amongst others, is a local anesthetic, belonging to the amino ester drug class, commonly used as a topical painkiller or in cough drops. It is the active ingredient in many over-the-counter anesthetic ointments such as products for oral ulcers. It is combined with antipyrine... | Biology and health sciences | Anesthetics | Health |
530955 | https://en.wikipedia.org/wiki/Barcelona%20Metro | Barcelona Metro | The Barcelona Metro (Catalan and Spanish: ) is a rapid transit network that runs mostly underground in central Barcelona and into the city's suburbs. It is part of the larger public transport system of Barcelona, the capital of Catalonia, Spain, with unified fares under the (ATM) scheme. As of 2024, the network is ope... | Technology | Spain | null |
531239 | https://en.wikipedia.org/wiki/Rotational%20spectroscopy | Rotational spectroscopy | Rotational spectroscopy is concerned with the measurement of the energies of transitions between quantized rotational states of molecules in the gas phase. The rotational spectrum (power spectral density vs. rotational frequency) of polar molecules can be measured in absorption or emission by microwave spectroscopy or ... | Physical sciences | Molecular physics | Physics |
531505 | https://en.wikipedia.org/wiki/Horseshoe%20bat | Horseshoe bat | Horseshoe bats are bats in the family Rhinolophidae. In addition to the single living genus, Rhinolophus, which has about 106 species, the extinct genus Palaeonycteris has been recognized. Horseshoe bats are closely related to the Old World leaf-nosed bats, family Hipposideridae, which have sometimes been included in R... | Biology and health sciences | Bats | Animals |
531611 | https://en.wikipedia.org/wiki/Foodborne%20illness | Foodborne illness | Foodborne illness (also known as foodborne disease and food poisoning) is any illness resulting from the contamination of food by pathogenic bacteria, viruses, or parasites, as well as prions (the agents of mad cow disease), and toxins such as aflatoxins in peanuts, poisonous mushrooms, and various species of beans tha... | Biology and health sciences | Infectious disease | null |
531911 | https://en.wikipedia.org/wiki/Laser%20cutting | Laser cutting | Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge. While typically used for industrial manufacturing applications, it is now used by schools, small businesses, architecture, and hobbyists. Laser cutting works by directing the output of a high-power laser most commonly throug... | Technology | Metallurgy | null |
532175 | https://en.wikipedia.org/wiki/Transfer%20RNA | Transfer RNA | Transfer RNA (abbreviated tRNA and formerly referred to as sRNA, for soluble RNA) is an adaptor molecule composed of RNA, typically 76 to 90 nucleotides in length (in eukaryotes). In a cell, it provides the physical link between the genetic code in messenger RNA (mRNA) and the amino acid sequence of proteins, carrying ... | Biology and health sciences | Nucleic acids | Biology |
532379 | https://en.wikipedia.org/wiki/Type%20species | Type species | In zoological nomenclature, a type species (species typica) is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen (or specimens). A similar concept is used for suprageneric groups and called a... | Biology and health sciences | Taxonomic rank | Biology |
532405 | https://en.wikipedia.org/wiki/Quantum%20number | Quantum number | In quantum physics and chemistry, quantum numbers are quantities that characterize the possible states of the system.
To fully specify the state of the electron in a hydrogen atom, four quantum numbers are needed. The traditional set of quantum numbers includes the principal, azimuthal, magnetic, and spin quantum numb... | Physical sciences | Quantum mechanics | Physics |
532481 | https://en.wikipedia.org/wiki/Principal%20quantum%20number | Principal quantum number | In quantum mechanics, the principal quantum number (symbolized n) is one of four quantum numbers assigned to each electron in an atom to describe that electron's state. Its values are natural numbers (from one) making it a discrete variable.
Apart from the principal quantum number, the other quantum numbers for bound ... | Physical sciences | Atomic physics | Physics |
532508 | https://en.wikipedia.org/wiki/Breech%20birth | Breech birth | A breech birth is when a baby is born bottom first instead of head first, as is normal. Around 3–5% of pregnant women at term (37–40 weeks pregnant) have a breech baby. Due to their higher than average rate of possible complications for the baby, breech births are generally considered higher risk. Breech births also oc... | Biology and health sciences | Human reproduction | Biology |
532570 | https://en.wikipedia.org/wiki/Endothelium | Endothelium | The endothelium (: endothelia) is a single layer of squamous endothelial cells that line the interior surface of blood vessels and lymphatic vessels. The endothelium forms an interface between circulating blood or lymph in the lumen and the rest of the vessel wall.
Endothelial cells in direct contact with blood are ca... | Biology and health sciences | Circulatory system | Biology |
532573 | https://en.wikipedia.org/wiki/Azimuthal%20quantum%20number | Azimuthal quantum number | In quantum mechanics, the azimuthal quantum number is a quantum number for an atomic orbital that determines its orbital angular momentum and describes aspects of the angular shape of the orbital. The azimuthal quantum number is the second of a set of quantum numbers that describe the unique quantum state of an electr... | Physical sciences | Atomic physics | Physics |
532592 | https://en.wikipedia.org/wiki/Radiance | Radiance | In radiometry, radiance is the radiant flux emitted, reflected, transmitted or received by a given surface, per unit solid angle per unit projected area. Radiance is used to characterize diffuse emission and reflection of electromagnetic radiation, and to quantify emission of neutrinos and other particles. The SI unit ... | Physical sciences | Electromagnetic radiation | Physics |
532906 | https://en.wikipedia.org/wiki/Orthomyxoviridae | Orthomyxoviridae | Orthomyxoviridae () is a family of negative-sense RNA viruses. It includes seven genera: Alphainfluenzavirus, Betainfluenzavirus, Gammainfluenzavirus, Deltainfluenzavirus, Isavirus, Thogotovirus, and Quaranjavirus. The first four genera contain viruses that cause influenza in birds (see also avian influenza) and mamma... | Biology and health sciences | Specific viruses | Health |
532909 | https://en.wikipedia.org/wiki/Aplysiida | Aplysiida | The order Aplysiida, commonly known as sea hares (Aplysia species and related genera), are medium-sized to very large opisthobranch gastropod molluscs with a soft internal shell made of protein. These are marine gastropod molluscs in the superfamilies Aplysioidea and Akeroidea.
The common name "sea hare" is a direct t... | Biology and health sciences | Gastropods | Animals |
532941 | https://en.wikipedia.org/wiki/Pinus%20ponderosa | Pinus ponderosa | Pinus ponderosa, commonly known as the ponderosa pine, bull pine, blackjack pine, western yellow-pine, or filipinus pine, is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is the most widely distributed pine species in North America.
Pinus ponderosa grows ... | Biology and health sciences | Pinaceae | Plants |
533072 | https://en.wikipedia.org/wiki/Staurolite | Staurolite | Staurolite is a reddish brown to black, mostly opaque, nesosilicate mineral with a white streak. It crystallizes in the monoclinic crystal system, has a Mohs hardness of 7 to 7.5 and the chemical formula: Fe2+2Al9O6(SiO4)4(O,OH)2. Magnesium, zinc and manganese substitute in the iron site and trivalent iron can substitu... | Physical sciences | Silicate minerals | Earth science |
533074 | https://en.wikipedia.org/wiki/Guanaco | Guanaco | The guanaco ( ; Lama guanicoe) is a camelid native to South America, closely related to the llama. Guanacos are one of two wild South American camelids; the other species is the vicuña, which lives at higher elevations.
Etymology
The guanaco gets its name from the Quechua word wanaku. Young guanacos are called chulen... | Biology and health sciences | Artiodactyla | null |
533150 | https://en.wikipedia.org/wiki/Short%20ton | Short ton | The short ton (abbreviation tn) is a measurement unit equal to . It is commonly used in the United States, where it is known simply as a ton; however, the term is ambiguous, the single word "ton" being variously used for short, long, and metric tons.
The various tons are defined as units of mass. They are sometimes us... | Physical sciences | Mass and weight | Basics and measurement |
150243 | https://en.wikipedia.org/wiki/Watermill | Watermill | A watermill or water mill is a mill that uses hydropower. It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering. Such processes are needed in the production of many material goods, including flour, lumber, paper, textiles, and many met... | Technology | Energy and fuel | null |
150261 | https://en.wikipedia.org/wiki/Lark | Lark | Larks are passerine birds of the family Alaudidae. Larks have a cosmopolitan distribution with the largest number of species occurring in Africa. Only a single species, the horned lark, occurs in North America, and only Horsfield's bush lark occurs in Australia. Habitats vary widely, but many species live in dry regio... | Biology and health sciences | Passerida | null |
150320 | https://en.wikipedia.org/wiki/Tyrian%20purple | Tyrian purple | Tyrian purple ( porphúra; ), also known as royal purple, imperial purple, or imperial dye, is a reddish-purple natural dye. The name Tyrian refers to Tyre, Lebanon, once Phoenicia. It is secreted by several species of predatory sea snails in the family Muricidae, rock snails originally known by the name Murex (Bolinus ... | Physical sciences | Colors | Physics |
150389 | https://en.wikipedia.org/wiki/Nipple | Nipple | The nipple is a raised region of tissue on the surface of the breast from which, in lactating females, milk from the mammary gland leaves the body through the lactiferous ducts to nurse an infant. The milk can flow through the nipple passively, or it can be ejected by smooth muscle contractions that occur along with th... | Biology and health sciences | Integumentary system | Biology |
150421 | https://en.wikipedia.org/wiki/Phalarope | Phalarope |
A phalarope is any of three living species of slender-necked shorebirds in the genus Phalaropus of the bird family Scolopacidae.
Phalaropes are close relatives of the shanks and tattlers, the Actitis and Terek sandpipers, and also of the turnstones and calidrids. They are especially notable for their unusual nesting... | Biology and health sciences | Charadriiformes | Animals |
150423 | https://en.wikipedia.org/wiki/Bifocals | Bifocals | Bifocals are eyeglasses with two distinct optical powers correcting vision at both long and short distances. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism.
History
Benjamin Franklin is generally credited with the invention of bifocals... | Technology | Optical instruments | null |
151040 | https://en.wikipedia.org/wiki/CPT%20symmetry | CPT symmetry | Charge, parity, and time reversal symmetry is a fundamental symmetry of physical laws under the simultaneous transformations of charge conjugation (C), parity transformation (P), and time reversal (T). CPT is the only combination of C, P, and T that is observed to be an exact symmetry of nature at the fundamental level... | Physical sciences | Particle physics: General | Physics |
151066 | https://en.wikipedia.org/wiki/Classical%20physics | Classical physics | Classical physics is a group of physics theories that predate modern, more complete, or more widely applicable theories. If a currently accepted theory is considered to be modern, and its introduction represented a major paradigm shift, then the previous theories, or new theories based on the older paradigm, will often... | Physical sciences | Physics basics: General | Physics |
151183 | https://en.wikipedia.org/wiki/Turpentine | Turpentine | Turpentine (which is also called spirit of turpentine, oil of turpentine, terebenthine, terebenthene, terebinthine and, colloquially, turps) is a fluid obtained by the distillation of resin harvested from living trees, mainly pines. Principally used as a specialized solvent, it is also a source of material for organic ... | Physical sciences | Terpenes and terpenoids | Chemistry |
151487 | https://en.wikipedia.org/wiki/Ulexite | Ulexite | Ulexite () sometimes called TV rock or TV stone due to its unusual optical properties, is a hydrous borate hydroxide of sodium and calcium with the chemical formula . The mineral occurs as silky white rounded crystalline masses or in parallel fibers. Ulexite was named for the German chemist Georg Ludwig Ulex (1811–1883... | Physical sciences | Minerals | Earth science |
31329141 | https://en.wikipedia.org/wiki/Fungi%20imperfecti | Fungi imperfecti | The fungi imperfecti or imperfect fungi are fungi which do not fit into the commonly established taxonomic classifications of fungi that are based on biological species concepts or morphological characteristics of sexual structures because their sexual form of reproduction has never been observed. They are known as imp... | Biology and health sciences | Basics | Plants |
1991528 | https://en.wikipedia.org/wiki/Vlasov%20equation | Vlasov equation | In plasma physics, the Vlasov equation is a differential equation describing time evolution of the distribution function of collisionless plasma consisting of charged particles with long-range interaction, such as the Coulomb interaction. The equation was first suggested for the description of plasma by Anatoly Vlasov ... | Physical sciences | States of matter | Physics |
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