1 of 3

noun (1)


2 of 3

noun (2)


3 of 3



Example Sentences

Recent Examples on the Web
Basically, lab-room meat is just a meat that's created using animal cells. Taylor Wilson, USA TODAY, 21 Nov. 2022 Now, with half-empty office towers throughout the district, there’s even been talk of converting some of those office buildings to lab space, to accommodate the region’s fast-growing life science industry. Jon Chesto,, 21 Nov. 2022 This gene, which is lab-engineered but based on elements found in E. coli and the herpes simplex virus, causes the female offspring’s cells to produce lots of a protein called tTAV. WIRED, 21 Nov. 2022 The embryos were kept at a fertility lab on the West Coast until 2007, when the couple who created them donated the embryos to the National Embryo Donation Center in Knoxville, Tennessee, in hopes another couple might be able to use them. Nadia Kounang, CNN, 21 Nov. 2022 Even the lab’s housekeeper sweeping outside wears a respirator. Samantha Masunagastaff Writer, Los Angeles Times, 21 Nov. 2022 The fake event horizon even showed signs of glowing in the lab where the researchers created it. Joshua Hawkins, BGR, 20 Nov. 2022 In a previous life, he was destined to be a lab cat. Sarah Zhang, The Atlantic, 20 Nov. 2022 The bag was taken to a lab, where Phillips' DNA was pulled from saliva on a napkin. CBS News, 19 Nov. 2022 See More

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.

Word History

First Known Use

Noun (1)

circa 1868, in the meaning defined above

Noun (2)

1925, in the meaning defined above

Time Traveler
The first known use of lab was circa 1868

Dictionary Entries Near lab

Cite this Entry

“Lab.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2022.

Kids Definition

Medical Definition

More from Merriam-Webster on lab

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.