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blood test
noun
: a test of the blood
specifically
: a laboratory test in which a sample of blood is withdrawn from the body to analyze the level of substances or cells (such as glucose, hemoglobin, or white blood cells) that indicate the presence or probable development of a particular disease or medical condition (such as diabetes, cardiovascular disease, or cancer) or serve to indicate the degree of function of a specific organ (such as the liver or kidney)
Examples of blood test in a Sentence
He had a blood test, and the doctor who did it said his cholesterol was too high.
Recent Examples on the Web
Same-day blood tests can include CBC and electrolyte tests.
—Troy Bedinghaus, Od, Verywell Health, 1 June 2024
Examples include Theranos’ infamous blood tests, as well as misleading prenatal genetic tests.
—Elaine Chen, STAT, 30 May 2024
There are simple blood tests that can tell you very quickly whether or not the overeating is due to a hormonal issue.
—Dr. Devon B. Smith, Baltimore Sun, 16 May 2024
Medical services: General and enhanced observation, a blood test, anticonvulsant medicine, and a fee for services performed outside the medical facility.
—Bram Sable-Smith, NPR, 21 May 2024
See all Example Sentences for blood test
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'blood test.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1851, in the meaning defined above
Dictionary Entries Near blood test
Cite this Entry
“Blood test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20test. Accessed 10 Jun. 2024.
Kids Definition
blood test
noun
: a test of the blood (as to detect the presence of disease-causing agents or determine the number of blood cells)
Medical Definition
blood test
noun
: a laboratory test in which a sample of blood is withdrawn from the body to analyze the level of substances or cells (as glucose, hemoglobin, or white blood cells) that indicate the presence or probable development of a particular disease or medical condition (as diabetes, cardiovascular disease, or cancer) or serve to indicate the degree of function of a specific organ (as the liver or kidney)
More from Merriam-Webster on blood test
Britannica English: Translation of blood test for Arabic Speakers
Britannica.com: Encyclopedia article about blood test
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