noun (1)
\ ˈlab \

Definition of lab

 (Entry 1 of 3)


noun (2)
\ ˈlab \

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

All of the tissue and fluid samples taken during the operation are sent to a lab to look for cancer cells. Korin Miller, SELF, "What Are My Options for Ovarian Cancer Treatment?," 13 Dec. 2018 These samples are tested and sent to a lab, with the results later added to the 5 Gyres Institute global database, an organization that engages citizens to monitor plastic marine pollution. Tyler Wetherall, Condé Nast Traveler, "The All-Women Sailing Crew Trying to Save the Ocean of Plastic," 27 Nov. 2018 Next, a vial of blood is sent to a lab to check hormone and nutrient levels ($100 and up, depending on insurance). Jessica Chia, Allure, "The Best Hair Loss Treatments for Every Budget," 15 Oct. 2018 After collecting five hits from three players in a Game 1 loss to Tennessee Tech, Pierce retreated to the lab and tinkered. Nick Moyle, San Antonio Express-News, "Texas baseball coach Pierce is substance over style," 12 June 2018 That means there is a strong possibility that an overly sensitive transistor sensor may turn up in medical labs within a few years. Chris Lee, Ars Technica, "Big transistor senses the arrival of a single molecule," 29 Oct. 2018 As a result, those states saw a decline in responses to meth labs — temporarily. Jameelah Nasheed, Teen Vogue, "Kentucky State Police Say a Teen Got His Parents Busted for Allegedly Cooking Meth," 21 Sep. 2018 Laboratory Notebook Spend most of your day in science labs? Noelle Devoe, Seventeen, "10 Best Notebooks to Help You Crush Your Classes This Semester," 5 Sep. 2018 Crystal, who walks and talks like Joe, is a registered nurse and lab technician. Vahe Gregorian, kansascity, "Chiefs legend Joe Delaney died a hero 35 years ago ... and later saved his widow, too," 30 June 2018

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

14 Jan 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 \

Kids Definition of lab


\ ˈlab \

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

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