blood count

noun

: the determination of the blood cells in a definite volume of blood
also : the number of cells so determined

Examples of blood count in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The normal ranges for blood counts are scaled on a healthy population. — Kate Cunningham, NPR, 14 Apr. 2026 Donating one's own blood can make a person anemic or have a lower blood count, experts warn. — Arkansas Online, 21 Mar. 2026 Donating one's own blood can make a person anemic or have a lower blood count, experts warn. — ABC News, 20 Mar. 2026 As the treatment wiped out his blood counts, Shen was placed in full isolation in his own hospital room, where doctors were deeply concerned about the risk of infection. — Jordan Greene, PEOPLE, 23 June 2026 See All Example Sentences for blood count

Word History

First Known Use

1876, in the meaning defined above

Time Traveler
The first known use of blood count was in 1876

Rhymes for blood count

See All Rhymes for blood count

Browse Nearby Words

blood corpuscle
blood count
blood crisis
See all Nearby Words

Cite this Entry

“Blood count.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20count. Accessed 7 Jul. 2026.

Copy Citation

Kids Definition

blood count

noun
: the counting or estimating of the blood cells in a definite volume of blood
also : the number of cells counted or estimated in this way

Medical Definition

blood count

noun
: the determination of the blood cells in a definite volume of blood
also : the number of cells so determined see complete blood count, differential blood count

More from Merriam-Webster on blood count

Britannica.com: Encyclopedia article about blood count

Last Updated: - Updated example sentences
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 More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

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

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

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 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?
The Missing Letter A daily crossword with a twist
hangman letters and game
Hangman Lightning Round Figure out which word fits in the blanks.
See All