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

A cancer blood test has investors betting big, but will insurers pay for it?

From The Wall Street Journal ● Oct. 1, 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

A single blood test taken at one moment could therefore capture a period when hormone levels appear relatively normal.

From Science Daily ● Sep. 14, 2026

When the results of that blood test came back, Slavin’s doctor—unlike Moore’s —told him his body was producing something extremely valuable.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

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