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

Thursday's tally from the CDC was the first based on the new case definition, which counts only breathing illnesses with abnormal chest X-rays, a recent history of vaping, and lab work done to rule out infectious diseases or other possible causes. CBS News, "CDC revises down number of vaping-related illnesses across U.S.," 12 Sep. 2019 In 1962, United Technologies Corporation hired Jack to become a senior research scientist at their labs in East Hartford, Connecticut., "John J. Hinchen," 8 Sep. 2019 An autopsy of Alvin Robinson did not reveal a cause of death, and the lab work could take 60 to 90 days. Steve Lopezcolumnist, Los Angeles Times, "Column: He died homeless and alone, but his wife had never lost hope he’d return.," 7 Sep. 2019 The molecules aren’t a slam dunk, and would take perhaps a year of lab work to refine—meaning the AI wouldn’t save a big pharma company much time, if any. Wired, "A Molecule Designed By AI Exhibits 'Druglike' Qualities," 2 Sep. 2019 In addition to the pill itself, patients typically have to pay for the costs of doctor visits and lab work. Anna North, Vox, "America’s first generic abortion pill, explained," 20 Aug. 2019 Senate Bill 1264, signed into law in June and effective Jan. 1, stops patients from being blindsided by exorbitant medical bills for emergency services, services provided at in-network hospitals and other facilities, and for lab work. Dallas News, "Texas legislature's fix to surprise health care bills still leaves millions vulnerable," 19 Aug. 2019 But 10 months after delivering her second child, her labs came back abnormal at her yearly gynecological appointment. al, "Alabama HPV vaccination rate lags nationally," 17 Aug. 2019 The special pricing also holds for lab work, including blood tests and STD tests. Jc Reindl, Detroit Free Press, "These Detroit doctors help people with no insurance, high deductibles," 6 Aug. 2019

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 Sep 2019

Look-up Popularity

Time Traveler for lab

The first known use of lab was circa 1868

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More Definitions for lab



English Language Learners Definition of lab

: a class period for laboratory work


\ ˈlab How to pronounce lab (audio) \

Kids Definition of lab


\ ˈlab How to pronounce lab (audio) \

Medical Definition of lab

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More from Merriam-Webster on lab

Rhyming Dictionary: Words that rhyme with lab

Spanish Central: Translation of lab

Nglish: Translation of lab for Spanish Speakers

Britannica English: Translation of lab for Arabic Speakers

Comments on lab

What made you want to look up lab? Please tell us where you read or heard it (including the quote, if possible).


to spread over or through

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