in vi·​tro | \ in-ˈvē-(ˌ)trō How to pronounce in vitro (audio) , -ˈvi-, -ˈwē- How to pronounce in vitro (audio) \

Definition of in vitro

: outside the living body and in an artificial environment

Examples of in vitro in a Sentence

Recent Examples on the Web Cultured meat has already gone by a number of different names, including clean meat, in vitro meat, lab meat, and vat meat, none of which sound very appetizing. Jenny Splitter / Photography Kelsey Mcclellan, Popular Mechanics, "Please Don't Call This Cultured Nugget "Lab Meat"," 20 Dec. 2019 In an in vitro study directly on cells, one application of the extract was able to double the size of skin cells in just under 12 hours, making 62 year-old skin look more like 45 year-old skin. Jenna Rosenstein, Harper's BAZAAR, "Are Truffles The Expensive Secret to Perfect Skin?," 21 Nov. 2019 Today one in 60 in America is born thanks to in vitro fertilisation (IVF) and other artificial treatments. The Economist, "The fertility business is booming," 8 Aug. 2019 Today one in 60 in America is born thanks to in vitro fertilisation (IVF) and other artificial treatments. The Economist, "The fertility business is booming," 9 Aug. 2019 Lab studies on methylisothiazolinone indicate that the chemical may also be neurotoxic in vitro — or, carry potential to damage developing nervous systems. Stephie Grob Plante, Vox, "Some people held in border detention centers are being forced to bathe themselves with shampoo. The issue is far bigger than personal hygiene.," 3 July 2019 So that will be in vitro and in vivo work in animals, and then validating that in human lactation studies. STAT, "How Europe is building a sweeping system to study medication safety in pregnant and lactating women," 21 June 2019 Other studies have been done in lab animals, or in vitro (meaning in a test tube, using animal brain tissue). Dan Nosowitz, Vox, "The super-popular cannabis compound, explained.," 1 Nov. 2018 In 2008, after years of struggling with infertility, including 13 failed in vitro treatments and numerous failed adoption attempts, Vardalos and Gomez finally matched with a 3-year-old girl, their daughter Ilaria, People reports. Eileen Reslen, Good Housekeeping, "'My Big Fat Greek Wedding' Star Nia Vardalos Files for Divorce From Husband of 25 Years," 5 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'in vitro.' 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 in vitro

circa 1894, in the meaning defined above

History and Etymology for in vitro

New Latin, literally, in glass

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Time Traveler for in vitro

Time Traveler

The first known use of in vitro was circa 1894

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Statistics for in vitro

Last Updated

29 Dec 2019

Cite this Entry

“In vitro.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/in%20vitro. Accessed 19 January 2020.

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More Definitions for in vitro

in vitro

adjective
How to pronounce in vitro (audio) How to pronounce in vitro (audio)

English Language Learners Definition of in vitro

technical : outside the body
in vi·​tro | \ in-ˈvē-(ˌ)trō How to pronounce in vitro (audio) , -ˈvi- How to pronounce in vitro (audio) \

Medical Definition of in vitro

: outside the living body and in an artificial environment growth of cells in vitro in vitro studies

More from Merriam-Webster on in vitro

Britannica English: Translation of in vitro for Arabic Speakers

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