laboratory test

noun

variants or lab test
: a test conducted under controlled scientific conditions in a laboratory or similar setting
… in laboratory tests of acyclovir, herpes strains have mutated to forms resistant to the drug.Linda Garmon
We've measured the amount of soap in shampoos and used lab tests to determine cleaning action and pH.Consumer Reports
specifically, medical : a test (such as a blood test or urinalysis procedure) performed by a medical laboratory on a specimen taken from a patient
Even experienced doctors cannot distinguish "strep" throat from other-caused sore throats without a laboratory test of fluid taken from the throat. Melva Weber
Those two values are seen with a complete blood count, the lab test that enumerates the number of white and red blood cells. Paul G. Donahue
laboratory testing noun
or less commonly lab testing
… it has survived nearly two years of strenuous independent laboratory testing and been certified safe for home and commercial use. Harper's

Examples of laboratory test in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Vatican announced the Catholic faith leader’s diagnosis — which was reportedly confirmed via laboratory tests and chest X-rays — in a statement on Tuesday. Melissa Rudy, Fox News, 19 Feb. 2025 Very high blood pressure Your healthcare provider will ask about your medical history and may order laboratory tests to investigate the cause of your foamy urine. Heidi Cope, Health, 28 Jan. 2025 In laboratory tests, an antimicrobial protein found in the Sydney rock oyster (Saccostrea glomerata) made antibiotics more effective and killed several types of illness-causing bacteria. Sarah Kuta, Smithsonian Magazine, 27 Jan. 2025 The rhythms of real-world driving enable EV batteries to live far beyond the predictions of laboratory tests, according to a new study from Stanford University. IEEE Spectrum, 29 Jan. 2025 See All Example Sentences for laboratory test

Word History

First Known Use

1859, in the meaning defined above

Time Traveler
The first known use of laboratory test was in 1859

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Cite this Entry

“Laboratory test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/laboratory%20test. Accessed 9 Mar. 2025.

Last Updated: - Updated example sentences
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