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blood test

American  

noun

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


blood test British  

noun

  1. 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 Sacramento district attorney’s office declined to file charges after a blood test showed there were no traces of drugs or alcohol in her system.

From Los Angeles Times • Apr. 7, 2026

The blood test often costs less than $100 when paid for directly.

From MarketWatch • Mar. 19, 2026

Results presented at a conference last year showed that among the 216 people who had a positive blood test, there was a 60% chance they developed cancer within a year.

From The Wall Street Journal • Mar. 2, 2026

A blood test which looks for multiple types of cancer has failed to achieve its key objective in a major NHS trial, the company has announced.

From BBC • Feb. 20, 2026

I wonder if 1 can ask the doctor to do a blood test or something so that I can provide her with proof of my sobriety.

From "The Girl on the Train" by Paula Hawkins