blood count

American  

noun

1. the count of the number of red and white blood cells and platelets in a specific volume of blood.

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blood count British  

noun

1. the number of red and white blood corpuscles and platelets in a specific sample of blood See haemocytometer

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Etymology

Origin of blood count

First recorded in 1895–1900

Example Sentences

So, the reason why your white blood count doesn’t spike right away when you get cancer is because your white blood cells are meant to attack alien things.

From The Wall Street Journal • May 7, 2026

Allostatic load was calculated using body mass index, creatinine, hemoglobin, albumin, glucose, white blood count, heart rate and blood pressure.

From Science Daily • Dec. 14, 2025

The boss of the company which makes it, Entia, is upbeat though about what he says is the world's first ever blood count analyser that patients can use in their own home.

From BBC • May 10, 2024

While some health care providers routinely measure B12 and other vitamin levels, a typical well-check exam includes only a complete blood count and a metabolic panel, neither of which measures B12 status.

From Salon • Nov. 30, 2022

“What does his blood count show ?” “He hasn’t had a blood count.”

From "Catch-22" by Joseph Heller