Dictionary.com
Thesaurus.com

blood test

American  

noun

blood tests plural
  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

Other Word Forms

Noun Inflected Forms

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:

New research has also revealed that the condition could be diagnosed by blood test - though further testing is needed before it could be considered as a diagnostic tool available to the public.

From BBC Jul. 11, 2026

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

“Anyway, I’m thinking I’ll give my father one of my kidneys. If I’m compatible, that is. People at the hospital, they’re gonna do a blood test on my mom and me.”

From "Red Kayak" by Priscilla Cummings

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training