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)
-ˈwē-
: outside the living body and in an artificial environment

Examples of in vitro in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The astronaut’s journey with trying to conceive a second child via in vitro fertilization has been challenging, to say the least. Madeleine Marr, Miami Herald, 25 Feb. 2025 President Donald Trump’s announcement of an executive order this week, promising to expand access to in vitro fertilization (IVF), has elicited a strong response among reproductive rights advocates. Gemma Allen, Forbes, 22 Feb. 2025 Here’s what to know about Trump’s IVF executive order: First, what is IVF? IVF (in vitro fertilization) is a common and effective treatment for infertility, but the process is complex. Kathleen Walsh, Glamour, 19 Feb. 2025 The cost of in vitro fertilization medications alone have surged by 84% since 2014, which drastically outpaces the 37% rise in list prices across all prescription drugs, according to a September report from GoodRx. Annika Kim Constantino,ashley Capoot, CNBC, 12 Feb. 2025 See All Example Sentences for in vitro

Word History

Etymology

New Latin, literally, in glass

First Known Use

circa 1894, in the meaning defined above

Time Traveler
The first known use of in vitro was circa 1894

Cite this Entry

“In vitro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20vitro. Accessed 11 Mar. 2025.

Kids Definition

in vitro

adverb or adjective
in vi·​tro in-ˈvē-(ˌ)trō How to pronounce in vitro (audio)
: outside the living body and in an artificial environment
an egg fertilized in vitro
Etymology

Latin, literally, "in glass"

Medical Definition

in vitro

adverb or adjective
: outside the living body and in an artificial environment
growth of cells in vitro
in vitro studies
Last Updated: - Updated example sentences
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