ESR

abbreviation

erythrocyte sedimentation rate
The ESR is the speed of red cell settling in a graduated tube of fresh whole blood.—Paul G. Donohue, The Springfield (Massachusetts) Union-News

Dictionary Entries Near ESR

espundia

ESR

ESRD

See More Nearby Entries 

Cite this Entry

“ESR.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ESR. Accessed 10 Feb. 2025.

Copy Citation

Share

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See All

7 Pairs of Commonly Confused Words

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?

More Commonly Misspelled Words

Words You Always Have to Look Up
See All

Popular in Wordplay

See All

More Words with Remarkable Origins

Terroir, Oenophile, & Magnum: Ten Words About Wine

8 Words for Lesser-Known Musical Instruments

10 Words from Taylor Swift Songs (Merriam's Version)

15 Words That Used to Mean Something Different
See All

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
a cassowary positioning its body to the left standing on a patch of grass before two trees and the ocean in the background
Name That Animal MegaQuiz A creature feature for fans of fauna