noun (1)
\ ˈlab How to pronounce lab (audio) \

Definition of lab

 (Entry 1 of 3)


noun (2)
\ ˈlab How to pronounce Lab (audio) \

Definition of Lab (Entry 2 of 3)

Definition of Lab (Entry 3 of 3)


Examples of lab in a Sentence

Recent Examples on the Web: Noun The absence of more in-depth health data accessible via consumer-friendly lab tests reflects massive, unmet demand. Frederick Daso, Forbes, 15 Oct. 2021 While more home tests can play an important role in disease surveillance, tests results aren't necessarily reported to health departments like lab tests are. Jen Christensen, CNN, 7 Oct. 2021 Federal regulators have approved hundreds of lab tests for the coronavirus, and some kits for taking samples at home and sending them to labs, but only a handful of at-home tests., 6 Oct. 2021 Your doctor may order various lab tests, including a complete blood count to rule out other bleeding disorders, as well as an ultrasound to help identify the location and size of the possible fibroids. Korin Miller, SELF, 6 Oct. 2021 In lab tests, Dravid and his colleagues showed that the OHM sponge could absorb more than 30 times its weight in oil and can be reused more than 40 times without losing its effectiveness. NBC News, 6 Oct. 2021 Students learn how to draw blood, administer injections, take vital signs, schedule lab tests and assist clinicians. Linda Mcintosh, San Diego Union-Tribune, 4 Oct. 2021 Unlike lab tests that may require some time for analysis, screening mammograms only need to be reviewed by a radiologist. Anchorage Daily News, 4 Oct. 2021 Finally, the lab tests revealed an abnormality: Her liver enzymes were high — three to four times the normal level — and her red-blood-cell count was low. New York Times, 30 Sep. 2021

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

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First Known Use of lab

Noun (1)

circa 1868, in the meaning defined above

Noun (2)

1925, in the meaning defined above

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Statistics for lab

Last Updated

18 Oct 2021

Cite this Entry

“Lab.” Dictionary, Merriam-Webster, Accessed 26 Oct. 2021.

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More Definitions for lab



English Language Learners Definition of lab

 (Entry 1 of 2)

: a class period for laboratory work



English Language Learners Definition of Lab (Entry 2 of 2)


\ ˈlab How to pronounce lab (audio) \

Kids Definition of lab


\ ˈlab How to pronounce lab (audio) \

Medical Definition of lab

More from Merriam-Webster on lab

Nglish: Translation of lab for Spanish Speakers

Britannica English: Translation of lab for Arabic Speakers


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