laboratory test

noun
variants: or lab test

Definition of laboratory 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

Other Words from laboratory test

laboratory testing or less commonly lab testing noun
… 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 Probable deaths include individuals who have COVID indicated as a cause of death on their death certificate but have not had a positive diagnostic laboratory test. Lauren Wethington, Detroit Free Press, 11 May 2022 Probable deaths include individuals who have COVID indicated as a cause of death on their death certificate but have not had a positive diagnostic laboratory test. Lauren Wethington, Detroit Free Press, 11 May 2022 Probable deaths include individuals who have COVID indicated as a cause of death on their death certificate but have not had a positive diagnostic laboratory test. Lauren Wethington, Detroit Free Press, 11 May 2022 Probable deaths include individuals who have COVID indicated as a cause of death on their death certificate but have not had a positive diagnostic laboratory test. Lauren Wethington, Detroit Free Press, 11 May 2022 And since your aren’t Facebook, you are left with sharing laboratory test results to offer assurance that neither of you are infected. Bruce Y. Lee, Forbes, 14 May 2022 BioNTech and Pfizer said three shots of its vaccine were able to neutralize omicron in a laboratory test. NBC News, 11 Dec. 2021 When the analysis is limited only to cases confirmed positive by a central laboratory test, the vaccine was 51% effective in children 6 months to 2 years, and 37% in the older group, the company said. Peter Loftus, WSJ, 28 Apr. 2022 Probable deaths include individuals who have COVID indicated as a cause of death on their death certificate but have not had a positive diagnostic laboratory test. Lauren Wethington, Detroit Free Press, 20 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'laboratory test.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of laboratory test

1859, in the meaning defined above

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Time Traveler for laboratory test

Time Traveler

The first known use of laboratory test was in 1859

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Dictionary Entries Near laboratory test

laboratory school

laboratory test

labor bank

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Statistics for laboratory test

Last Updated

10 Aug 2022

Cite this Entry

“Laboratory test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/laboratory%20test. Accessed 19 Aug. 2022.

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