What's Trending Now
More Trending Words
Definition of Alzheimer
medical
: of, relating to, used in, or affected by Alzheimer's disease an Alzheimer patient Researchers in the U.S. are also involved in the quest for Alzheimer biomarkers. — Gautam Naik, Wall Street Journal, 12 Dec. 2006
Explore Merriam-Webster
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
First Known Use of alzheimer
1911
Seen and Heard
What made you want to look up Alzheimer? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!