• Science Dictionary by Farlex 1
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Science Dictionary by Farlex

Science Dictionary by Farlex gives you free, instant access to more than 100,000 scientific terms and thousands of images from multiple authoritative science encyclopedias and dictionaries covering all scientific fields.

* Search 100,000+ terms from multiple scientific dictionary and encyclopedia sources, all from industry-leading publishers.


* Clear, in-depth science dictionary definitions from across multiple disciplines, including biology, chemistry, physics, geology, astronomy, oceanography, environmental science, computer science, and more, plus thousands of images.


* 35,000+ audio pronunciations for both American and British speakers in online mode.


* User-friendly, comprehensive, and authoritative: the perfect free scientific dictionary for students, professionals, and anyone looking to learn more about the world of science.


* Save unlimited bookmarks.


* Use native voice search to look up a word just by saying it. (With supported devices)


* View your recent searches.


* See search suggestions as you type.


* Perform advanced searches, including "Starts with," "Ends with," "Contains," and "Wildcard."


* Adjust font size.
* Share your favorite articles via social networks, email, and text. (With supported devices)

How do we do it?

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 Google Play.

Category : Books & Reference

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Reviews (29)

J. A. May 3, 2020     

Not bad but really wish this app had photos in it...that would be awesome to see photos of some of the items in the dictionary. It's a bit plain and old interface but has lots of links though so that's good.

She. C. Aug 12, 2020     

This App doesn't have all the planets in our solar system, the planet mercury isn't included in this App, which is stupid because all the other planets are. The Developers need to work on the content of this App, because it's severely lacking information. Plus this app would be 10 times better if it included images. I'm thoroughly disappointed with this App, so I'm un-installing it! This App is a complete waste of time, I do not recommend this App to anyone!!!

Kan. E. H. Dec 11, 2021     

It is really helpful. It gives you the definition with extra information. Very useful. Helped me alot. Thanks

Anv. M. Jan 13, 2022     

Good app but definition for scientific terms are not very understandable. There is no beautiful Themes. But anyway helpful.

Jer. R. Jul 23, 2021     

Looks good looked up several definitions, including Mercury & was able to find it immediately. I like it.

Jef. T. S. Jun 9, 2020     

Absolutely amazing!!! One of the most comprehensive dictionary's on scientific terms available today in my humble opinion. I love the fact that this was offered through Play Pass.

ank. k. Oct 27, 2019     

It is very useful app and save time .It give meaning of one word in both chemistry, physics or biology at same time.

ᗩᗷᕼ. ᑭ. ᗷ. ᗷ. Aug 31, 2020     

Great app for use,especially when there is achyapreal of phylogenetic hypothetical phrases that ramshackle the the concentration,I mean not that rude but an ordinary habitual of study sessions ,the dictionary lies on the groundbreaking hardwork of the inner consistency rather than outer design graphics and this dictionary has been helpful at my primal expedition if my studies when the doubts of silly words uproot from the studying chapters,great thank for this kind of indomitable compliance .

Luz. T. Aug 12, 2019     

If this works online "only" then people would rather use google or any other browser in searching. It would be great if this works offline. Just a suggestion. Thank you.

Sar. T. Jun 12, 2019     

I thought more features in this application with images and more details, so it is unable to fulfill all my expectations. But#helpful @study times

Sha. S. J. May 28, 2020     

This app should be a offline , because if we want to search anything online , at that time we have many options for online searching like Google, Wikipedia, and many more . So question is arising now why we all were downloading 😂 this app?

Kha. _. Nov 15, 2021     

Its a easy and informative app. I love it. However, some dark mode or offline options would be great.

Rit. P. Apr 21, 2020     

It's a useful/helpful app for me as well as for science students...as it only gives a specific definition or meaning soo it doesn't arises a doubt in our mind as it's ans is clear..🥰🥰🥰 Tqq...soo much🖤💙💜

KUZ. T. Oct 14, 2021     

Not bad, not bad at all. It has a old classic look to it, which in my view is nice. Not saying a modernized look would look bad, not saying it would. But I like it.

Kel. B. Sep 10, 2021     

It's annoying that all of these Farlex apps require you to look up something specifically to use them.. sometimes people just want to browse to find what they'd like to learn more about

Pet. O. Nov 8, 2020     

The app is really good however some other definations and words may be missing but its really perfect to use.

Has. G. Jan 24, 2022     

It is good to use this app instead of hard dictionary bcz we can use this every where but we can't carry hard dictionary every where thats why its good...

Dan. A. Jul 12, 2019     

Up-to-date reference resource. Meets my expectations. Should be available offline, and updates sent as and when they are necessary.

Pol. A. J. Nov 14, 2021     

So impressive being overall ahead knowledgeable in searching about studying the word meaningless through the word so meaningful as profited by each reliable person.

DHA. K. Oct 12, 2020     

In this app it didn't give Tamil meaning to the word i searched.so please add this feature.otherwise this app is perfect.this the only app which gives more details about the word i searched.

sub. k. Dec 3, 2019     

this app helped me alot to clear my confusions but i can not find some words on it. my overall expirience was good.

NNN. Jan 30, 2020     

It's awesome . I just loved it. I got the meanings of all the scientific words I needed. It's literally amazing ❤️

A. G. u. Dec 10, 2018     

It is a good app for science students who are facing difficulties for finding meaning of words in science.

ENC. R. M. R. Jul 29, 2019     

This app is so amazing,and this is educational. This app help me to get and understand the meaning of the words in science📝

Ahî. K. Jan 27, 2020     

The meanings of words are too difficult to understand......besides this app is not same with the description.....installing this app is just wastage of time and data

Fat. A. A. Feb 23, 2022     

It gives all the information I searched for accurately. So I give it a 5 good stars. How I wish there's 5+,I could have rated it 10 stars 🌟 🤩

Gow. S. R. Aug 2, 2019     

come on i thought it is offline but its online we could easily google it dude try but sry for being rude but try putting it offline it will be really useful ummmm.......yes maybe but i have searched for the offline apps and got yours and the google playstore is asking me now wheather it is offline or not that should mean that it must be offline right....as per my poing of veiw anyway thanks for noticing my complaint have a nice day

Abh. M. Nov 9, 2019     

But it sure comes to your search results when you search for offline dictionary. In support of Trinalyn Aita Jack

Gen. E. Apr 24, 2021     

It's a dictionary for science. How can you mess that up? In business you can look up on the graph exactly where, why and when The Dot Com world fell.