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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: a laboratory test in which a sample of blood is withdrawn from the body to analyze the level of substances or cells (such as glucose, hemoglobin, or white blood cells) that indicate the presence or probable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
This feels so good to not have go get a blood test.
—Becca Longmire, Peoplemag, 7 Mar. 2024
The only way to know for sure is to test while having an active outbreak or have a blood test done; herpes tests are not included in standard STI screenings.
—Danielle Sinay, Glamour, 5 Mar. 2024
That could mean a blood test to indicate the presence of amyloid.
—Paula Span, New York Times, 4 Mar. 2024
Last March, a blood test revealed that Caiden had a blood lead level of 13 micrograms per deciliter.
—Berkeley Lovelace Jr., NBC News, 28 Feb. 2024
Diagnostics like blood tests that yield insights about hormones, vitamins and nutrient deficiencies, proteins, and allergies can drastically change product recommendations and impact efficacy.
—Sindhya Valloppillil, Forbes, 19 Feb. 2024
Doubts abound about a new Alzheimer’s blood test That point is a core precept of the National Academy of Medicine’s 2022 report Global Roadmap for Healthy Longevity.
—Judith Graham, CNN, 8 Feb. 2024
The blood test yielded a positive result for methamphetamine, fentanyl and marijuana, police said.
—Dylan Wickman, The Arizona Republic, 23 Feb. 2024
From that point forward, 15 states that historically have reported about 90% of all Lyme disease cases now need only a positive blood test result to report a case to the CDC.
—Helen Branswell, STAT, 15 Feb. 2024
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 19 Mar. 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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