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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

Paul Eatwell, 65, was diagnosed after a routine blood test.

From BBC ● Aug. 10, 2026

The team there requested an SMA blood test "immediately" and Ophelia was diagnosed in February 2025.

From BBC ● Aug. 9, 2026

The blood test has been commercially available since 2023.

From The Wall Street Journal ● Jul. 17, 2026

This blood test reflecting average blood sugar levels over three months is the standard indicator of diabetes control.

From Science Daily ● Jul. 8, 2026

The hospital staff thought she meant she needed a CT scan or a blood test, but she meant a test for school.

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

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