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 Fertility treatments like in vitro fertilization (IVF) may be the best option if your primary concern is infertility. Anna Almendrala, Health, 30 Mar. 2024 In August 2020, Wiig spoke to InStyle about the challenges of undergoing in vitro fertilization with Rothman. Andrea Park, Peoplemag, 21 Mar. 2024 Congress: House Republicans support in vitro fertilization but are divided on how to protect access to it. Elizabeth Robinson, NBC News, 15 Mar. 2024 Last month, at least three major clinics in Alabama paused in vitro fertilization, or IVF, treatments after the state’s supreme court ruled that frozen embryos are considered children under the law. Melissa Jeltsen, The Atlantic, 7 Mar. 2024 Others include the first person born via in vitro fertilization in the United States and families of hostages being held in the Gaza Strip. Tyler Pager, Washington Post, 6 Mar. 2024 Reconsideration is not typically granted, but the ruling has been contentious, with lawmakers scrambling to pass bills aimed at protecting in vitro fertilization as IVF clinics began pressing pause on parts of treatments. Cnn.com Wire Service, The Mercury News, 3 Mar. 2024 Doctors say fertility preservation – through freezing eggs, sperm or embryos – should be discussed with all young people with cancer, who then may have to rely on in vitro fertilization, or IVF, to have children. Meg Tirrell, CNN, 3 Mar. 2024 On February 16, 2024, the Alabama Supreme Court issued a ruling declaring that embryos created through in vitro fertilization (IVF) should be considered children. Larada Lee, Essence, 2 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'in vitro.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near in vitro

Cite this Entry

“In vitro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20vitro. Accessed 25 Apr. 2024.

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

More from Merriam-Webster on in vitro

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