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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

Other Word Forms

Noun Inflected Forms

blood tests

plural

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.

Each person completed a simple finger-prick blood test, and the samples were analyzed by a specialist laboratory.

From Science Daily • Jun. 24, 2026

A 2025 survey from the Alzheimer’s Association found that 91% of Americans would want to take a simple test, like a blood test, to know if they had the disease.

From The Wall Street Journal • Jun. 15, 2026

Another blood test for cancer gives doctors an early read on how thoroughly their treatments have removed the disease.

From Barron's • Jun. 5, 2026

“Don’t think of the blood test as an easy way out.”

From MarketWatch • Jun. 4, 2026

“She’s out somewhere failing her blood test at the moment. I don’t want to see her again.”

From "A Confederacy of Dunces" by John Kennedy Toole

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