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---
dataset_info:
features:
- name: word
dtype: string
- name: definition
dtype: string
splits:
- name: train
num_bytes: 10218867
num_examples: 58607
download_size: 5461150
dataset_size: 10218867
configs:
- config_name: default
data_files:
- split: train
path: data/train-*
---
# Arabic Reverse Dictionary Dataset
## Overview
We present a novel Arabic Reverse Dictionary (RD) dataset comprising over 58,000 definitions collected from trusted, open-source books and websites. To the best of our knowledge, this is the first open-source Arabic reverse dictionary dataset available to the research community.
## Dataset Construction
The dataset was developed through multiple extraction methods:
- Direct extraction from PDF text for some sources
- Optical Character Recognition (OCR) using advanced models (Gemini and Mistral) for other sources
- All definitions were subsequently reconstructed using GPT-4o to ensure consistency and clarity in the final dataset
## Dataset Statistics
- **Total definitions**: ~58,000
- **Average definition length**: 13.64 words
- **Average word length**: 1.52 words
- **Topics covered**: Islamic studies, linguistics, mathematics, science, psychology, engineering, and more
## Source Materials
The dataset was compiled from the following Arabic reference works:
| Arabic Title | English Translation | Number of Definitions |
|--------------|---------------------|----------------------|
| موسوعة مصطلحات العقيدة | Encyclopedia of Faith Terminology | 4,160 |
| معجم مصطلحات علم النفس | Dictionary of Psychology Terms | 4,157 |
| معجم مصطلحات الكيمياء | Dictionary of Chemistry Terms | 4,468 |
| معجم مصطلحات الفيزياء | Dictionary of Physics Terms | 5,081 |
| معجم مصطلحات الرياضيات | Dictionary of Mathematical Terms | 7,808 |
| معجم مصطلحات تعلم الآلة والتعلم العميق وعلم البيانات | Dictionary of Machine Learning, Deep Learning, and Data Science Terms | 1,758 |
| معجم مصطلحات هندسة الميكانيكا | Dictionary of Mechanical Engineering Terms | 1,569 |
| معجم مصطلحات القياس العربي | Dictionary of Arabic Measurement Terms | 550 |
| كتاب التعريفات للجرجاني | Al-Jurjani's Book of Definitions | 1,399 |
| معجم الكليات للكفوي | Al-Kafawi's Dictionary of Universals | 14,476 |
| كتاب المصطلح في العلوم العربية | Book of Terminology in Arabic Sciences | 13,181 |
## Data Format
The dataset is provided in CSV format with the following columns:
- `word`: The target word (term)
- `definition`: The corresponding definition
## Applications
This dataset can be utilized for various NLP tasks in Arabic, including:
- Building reverse dictionary systems
- Definition modeling
- Word sense disambiguation
- Semantic analysis
- Educational applications
## Citation
If you use this dataset in your research, please cite:
```
@dataset{arabic_reverse_dictionary_2025,
author = {[Author Names]},
title = {Arabic Reverse Dictionary Dataset},
year = {2025},
publisher = {Hugging Face},
howpublished = {\url{https://huggingface.co/datasets/[username]/[dataset-name]}}
}
```
## License
This dataset is released under [License Type] and is intended for research purposes.
## Acknowledgments
We would like to thank the authors and publishers of the original reference works whose content made this dataset possible. |