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 But Sion’s cells came from a pilot production line, not from a routine mass-scale operation, and QuantumScape’s claim was based on laboratory tests of single-layer cells, not on any commercially available multilayer products. IEEE Spectrum, 29 Nov. 2022 Listeriosis may be diagnosed through a laboratory test on body tissue or fluid like blood, spinal fluid, or the placenta. Korin Miller, Health, 21 Nov. 2023 That's mostly due to the cost of laboratory tests and medical visits. Michael Scaturro | Kff Health News, ABC News, 7 Nov. 2023 After six months, laboratory tests confirmed there was no detectable E. coli in his prostate. Popular Science, 12 Oct. 2023 The algorithm rested on data from medications, laboratory tests and diagnosis codes, among other things, and, based on this study, doctors would be delivering health care and designing treatment plans for middle-aged, lower-income Black women without any notion of how feasible those plans would be. Fay Cobb Payton, Scientific American, 12 Sep. 2023 Most laboratory tests carry a high cost, both experts tell Good Housekeeping, but often provide a full picture on the prevalence of every contaminant in your water, and can test for rare issues, like toxic chemicals from solvents to metals in trace amounts. Zee Krstic, goodhousekeeping.com, 12 May 2023 Another study found that billing for laboratory tests and imaging, such as MRIs or CT scans, rise sharply after a practice is acquired. Markian Hawryluk, Washington Post, 1 Apr. 2023 Drug trafficking charges are pending laboratory test results for a passenger, a 35-year-old Cleveland man, who was released on the scene. cleveland, 8 Sep. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'laboratory 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

1859, in the meaning defined above

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

Dictionary Entries Near laboratory test

Cite this Entry

“Laboratory test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/laboratory%20test. Accessed 5 Mar. 2024.

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