التعريفات (Definitions) is a comprehensive dictionary by Jerjani that includes a glossary to determine the meanings of terms used in science, philosophy, logic, language, arts, and jurisprudence during his time. It is one of the first dictionaries that has benefited alphabetical order-of dictionaries Allgoah. Jerjani, the author, was known by Sir Mir Sharif, a renowned astronomer, scholar of life, jurist, musician, philosopher, and linguist who died in 816 AH. This book has been praised by all Orientalists and is a valuable resource for anyone interested in the Arabic language and its history.

The book is available for free on the Android platform from the developer marqoom.org. It falls under the Education & Reference category with a subcategory of Books. The content is well-organized and easy to navigate. It is a must-have for anyone interested in the Arabic language and its history. Overall, التعريفات is an excellent resource that will benefit both scholars and enthusiasts.