Showing results for blood test. Search instead for Blood+Test.

blood test

American

noun

a test of a sample of blood to determine blood group, presence of infection or other pathological condition, parentage, etc.

blood test British

noun

analysis of a blood sample to determine blood group, alcohol concentration, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of blood test

First recorded in 1910–15

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The concern is prolonged high-dose supplementation without medical advice, or a blood test showing persistently high B12 when someone is not taking supplements.

From Science Daily • May 27, 2026

Then, when I was 24, a blood test came back irregular.

From Slate • May 23, 2026

It then builds a personalized blood test to hunt for those mutations in the patient’s future blood draws.

From The Wall Street Journal • May 14, 2026

Francois Blanchecotte, president of France's Federation of Medical Laboratories, said the urine test -- and possibly blood test -- would be able to determine if someone suffered from a "significant chronic intoxication".

From Barron's • May 13, 2026

“Anyway, I’m thinking I’ll give my father one of my kidneys. If I’m compatible, that is. People at the hospital, they’re gonna do a blood test on my mom and me.”

From "Red Kayak" by Priscilla Cummings

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023