Science Dictionary by Farlex - Scientific terms & definitions
Unlock the world of science with over 100,000 terms, images, audio pronunciations & advanced search features at your fingertips!

- 2.0.2 Version
- 3.1 Score
- 341K+ Downloads
- In-app purchases License
- 3+ Content Rating
The Science Dictionary by Farlex offers complimentary, immediate access to an extensive collection of over 100,000 scientific terms and numerous images sourced from various respected science encyclopedias and dictionaries across all branches of science.
* Explore over 100,000 entries from different scientific dictionaries and encyclopedias produced by leading industry publishers.
* Get clear and thorough definitions in science across diverse fields such as biology, chemistry, physics, geology, astronomy, oceanography, environmental science, computer science, among others, accompanied by thousands of images.
* Access more than 35,000 audio pronunciations available for both American and British English speakers when online.
* This tool is designed to be user-friendly, comprehensive, and authoritative, making it an excellent free resource for students, professionals, and anyone eager to enhance their understanding of science.
* Create unlimited bookmarks for easy reference.
* Utilize native voice search to find a term simply by speaking it. (Applicable with supported devices)
* View your past search history.
* Receive search suggestions in real-time as you type.
* Conduct advanced searches using options like "Starts with," "Ends with," "Contains," and "Wildcard."
* Modify the font size according to your preference.
How do we achieve this?
Farlex applications have been downloaded millions of times across several platforms and have earned high ratings from countless reviews. We collaborate with premier publishers to consolidate reliable content into the most comprehensive and authoritative dictionary applications available. Our flagship offering is The Free Dictionary (TFD), powered by TheFreeDictionary.com. You can discover our other applications by looking up "Dictionary by Farlex" in Google Play.
FEATURES:
* Search 100,000+ terms across all scientific fields from top sources you won't find anywhere else.
* Learn by seeing: Thousands of diagrams, illustrations, and more.
* Save unlimited bookmarks to quickly access your favorite articles.
* Use native voice search to look up a word just by saying it. (With supported devices)
* See search suggestions as you type and always find what you're looking for.
* View your recent searches.
* Perform advanced searches, including "Starts with," "Ends with," "Contains," and "Wildcard."
* Listen to 35,000+ audio pronunciations for both American and British speakers.
* Adjust font size.
* Share definitions via social networks, email, and text. (With supported devices)
User-friendly, Comprehensive, and Authoritative: Science Dictionary by Farlex is the perfect free scientific dictionary for students, professionals, and anyone looking to learn more about the world of science. This is NOT a preview or a trial version, and there is no "locked" content. Open the app on your iPhone or iPad and immediately access all content — no subscriptions required!
How do we do it?
TheFreeDictionary.com - Farlex apps have been downloaded tens of millions times across multiple platforms, with top ratings after hundreds of thousands of reviews. We work with the best publishers to bring together trusted content in the most comprehensive, authoritative dictionary apps on the market. Our flagship app is The Free Dictionary (TFD), powered by TheFreeDictionary.com. Find our other apps by searching "Dictionary by Farlex" in the App Store.
What’s New
Version History
May 31, 2023
Version 3.5
- Version2.0.2
- UpdateJun 29, 2025
- DeveloperTheFreeDictionary.com – Farlex
- CategoryBooks & Reference
- Requires AndroidAndroid 4.1+
- Downloads341K+
- Package Namecom.farlex.dictionary.science
- Signaturefc2e690456c063a7b840cb16e98be4c6
- Available on
- ReportFlag as inappropriate
Helpful for science students
Quick access to definitions
Up-to-date reference resource
Saves time in finding meanings
Cross-references available
Easy to use and informative
Provides clear definitions
Good support and updates available
Provides a classic interface
Not an offline resource
Lacks illustrations and images
Some definitions hard to understand
Limited vocabulary (missing some terms)
Requires internet connection to function
Annoying prompts for ratings
App crashes on reopening
Old-fashioned interface design
Some users found it misleading or not comprehensive