Medical Dictionary - Healthcare Definitions and Terminology is a free, iOS medical dictionary app that gives you instant access to more than 180,000 medical terms, over 50,000 audio pronunciations, and 12,000 images, all from authoritative sources, including McGraw-Hill, Houghton Mifflin, Gale, Elsevier, and more.

Whether you’re a practicing physician, nurse, med student or just plain curious, this free medical dictionary app can help you find clear, in-depth definitions of medical terminology right on your iPhone or iPad. Search from across multiple disciplines - Our medical dictionary app compiles more than a dozen medical dictionary and encyclopedia sources, and includes entries on:

Tests and procedures
Medical research topics
Alternative Medicine
+ much more…


* Search 180,000+ medical terms and definitions.

* Access over 40,000 entries available anytime offline.

* Browse 1,000s of medical abbreviations and acronyms.

* Study more than 4,000 over-the-counter and prescription drugs in our medication guide.

* Add unlimited bookmarks.

* View your recent searches.

* See search suggestions as you type.

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

* Listen to 50,000+ audio pronunciations for both American and British speakers in 'online mode.'

* Share definitions via social networks, email, and text (with supported devices).

User-friendly, Comprehensive, and Authoritative: Medical Dictionary - Healthcare Definitions and Terminology is the perfect free medical app for doctors, nurses, medical education students, and health care consumers. 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? - 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 Find our other apps by searching "Dictionary by Farlex" in the App Store.

What’s New

Version 3.2

* Support for iOS 14

Ratings and Reviews

4.8 out of 5
4.3K Ratings

4.3K Ratings

ChiTownButtafli ,

Very helps while studying for the CPC exam!

I am studying for an upcoming CPC exam, well..a retake exam on Jan. 21, 2017 (wish me luck!!!..I missed the last one by only 2 questions!) And, I actually bought the premium version of this app because I use it so much! The ads would just take too long for my ADHD to kick in and start thinking about the house needing to be cleaned or laundry needing to be folded..being a stay at home mom of a 4 year-old, 14 year-old, a husband who travels for work and keeping the house looking almost picture perfect almost all of the time...those 30 seconds of ads would throw me off of my grind! Needless to say, this app is probably the most used app next to YouTubeKids for my toddler, and Facebook for myself and checking on my teenager. Other than that, my phone is usually set to "Do Not Disturb" along with the hand written sign of "Leave Me Alone" I have to place in front of me while I study at home...

Good luck to those of you in your 30's (and all ages!) who attempt to and succeed (perhaps fail and try again) at gaining a career while having no other choice but doing it while raising the children at is not easy, you may do what I have chosen to do..wake up at 430am to enjoy(???) the peace and quiet..(I guess you could call all of the snoring quiet time..)

Tasha N TN ,

Medical info & terms that save lives & improve health

I live in a rural area, where some of my best friends probably tolerate me, simply because of my ability & willingness to read, look up & explain things. Our primary care clinics are ran by nurses, with few speciality physicians available, one day/mth, by referal. Things quickly done in cities are very long trips & big ordeals from Gods county. This app has been a lifesaver, providing info that’s enabled a better understanding of possible health issues, diagnosis & the ability to then discuss & ask questions at the next medical visit. To have some ability to make informed decisions about healthcare. Above all, it’s provided, understandable info that multiple friends have desperately needed & used, after test & treatments were ordered, that gave them reason to choose to give up, cancel appointments & avoid useless efforts, & pass in peace at home. This lil app provided info that has saved lives of those I love, thru understanding terms which in turn provided hope, treatment & cure.

There are things that can still be tweaked, & continually improved, that is always part of any successful endeavor, but it’s a lifesaving lil app already.

Lovethislist ,

Helps me tremendously!

In the last 1 1/2 years I have used this application several times a week. My health took a bad turn and I have read so many of my medical records that have many words that I just don't know the meaning of. I'm sure my doctors or their nurses would find me to be both annoying and time consuming if I were to call every time I wanted to know what some medical word meant. This dictionary has been a tremendous asset to helping me understand exactly what my test results and various conditions mean to my health. I honestly don't know how I could ever keep up with knowing what's going on with my health if I had to either call or email my doctor then wait for a response or go to a library to look up all the words. That's if the library even has a medical dictionary. I'd give this app 10 stars if I could.

App Privacy

The developer, Farlex, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Data Linked to You

The following data may be collected and linked to your identity:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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