in vitro

adverb or adjective
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 Most results are derived from animal models, in vitro studies or from small sample sizes and would require detailed investigation. Miriam Fauzia, USA TODAY, "Fact check: A mix of honey and cinnamon may have some health benefits, more studies needed," 15 June 2020 Her journey began in September, when she was impregnated in vitro using an egg that had been fertilized by Straub’s sperm. NBC News, "How a Texas couple claimed their baby from Ukraine despite the coronavirus lockdown," 9 June 2020 My best hope of getting pregnant would be with an egg donor through in vitro fertilisation (IVF). Marisa Renee Lee,, "Coming To Terms With A Different Vision Of Motherhood," 7 May 2020 The drug, which has been used to treat malaria since the 1940s and is approved by FDA, has shown an ability to fight viruses — including HIVE, dengue, yellow fever and influenza — in vitro, Kalil said. Kenny Jacoby, USA TODAY, "Why Trump's support of hydroxychloroquine to treat COVID-19 could slow the race for a cure," 10 Apr. 2020 Several drugs, including chloroquine, showed the ability to block coronaviruses from infecting cells in vitro. Scientific American, "Could Chloroquine Treat Coronavirus?," 27 Mar. 2020 That’s an in vitro test, not live animals—just cells. Adam Rogers, Wired, "An Old Malaria Drug May Fight Covid-19—and Silicon Valley's Into It," 19 Mar. 2020 The decision came after early studies showed that chloroquine and Hydroxychloroquine are effective in inhibiting the disease when tested in vitro with primate cells. Uwagbale Edward-ekpu, Quartz Africa, "Americans are turning to one of Africa’s most common prescribed drugs to battle coronavirus," 21 Mar. 2020 All show some evidence of effectiveness against the SARS-CoV 2 virus, which causes Covid-19, either in vitro and/or animal studies. Helen Branswell, STAT, "WHO to launch multinational trial to jumpstart search for coronavirus drugs," 18 Mar. 2020

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

25 Jun 2020

Cite this Entry

“In vitro.” Dictionary, Merriam-Webster, Accessed 16 Jul. 2020.

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More Definitions for in vitro

in vitro

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

English Language Learners Definition of in vitro

technical : outside the body

in vitro

adverb or adjective
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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