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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.

See Examples For:

blood test

My dermatologist in Washington, D.C., didn’t even know a blood test could measure alpha-gal antibodies.

From Los Angeles Times ● Oct. 4, 2026

While the family waits for the results of a blood test, David’s life continues.

From The Wall Street Journal ● Oct. 2, 2026

He also spoke of the failures of his and his wider team, specifically referencing a doctor who disregarded blood test results that suggested a baby had been poisoned with insulin in August 2015.

From BBC ● Sep. 15, 2026

HbA1c, a blood test that reflects average blood sugar over the previous several months, fell by about 0.5% on average in the time-restricted group.

From Science Daily ● Sep. 11, 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

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