in vitro
adverb or adjective
in vi·tro
in-ˈvē-(ˌ)trō 
-ˈvi-
-ˈvi-
-ˈwē-
: outside the living body and in an artificial environment
Examples of in vitro in a Sentence
Recent Examples on the Web
Kellie Gerardi, a commercial astronaut and influencer who gained more mainstream attention for sharing her experience with secondary infertility, has been sharing her journey with in vitro fertilization and the road to having a second child.
—
Jessica Rendall, Space.com, 10 Oct. 2025
This is the time when embryos are usually transferred to the uterus during in vitro fertilization treatment.
—Katie Hunt, CNN Money, 30 Sep. 2025
Bonilla suggested there is no policy in her contract or the employee handbook that forbids teachers from partaking in surrogacy or in vitro fertilization.
—Abigail Adams, PEOPLE, 29 Sep. 2025
In their study, pharmacologist Cyntia Duval and colleagues analyzed 1,059 follicular fluid samples from women undergoing in vitro fertilization (IVF).
—Daniella Gray, MSNBC Newsweek, 9 Sep. 2025
See All Example Sentences for in vitro
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Jessica Rendall, Space.com, 10 Oct. 2025
This is the time when embryos are usually transferred to the uterus during in vitro fertilization treatment.
—Katie Hunt, CNN Money, 30 Sep. 2025
Bonilla suggested there is no policy in her contract or the employee handbook that forbids teachers from partaking in surrogacy or in vitro fertilization.
—Abigail Adams, PEOPLE, 29 Sep. 2025
In their study, pharmacologist Cyntia Duval and colleagues analyzed 1,059 follicular fluid samples from women undergoing in vitro fertilization (IVF).
—Daniella Gray, MSNBC Newsweek, 9 Sep. 2025
See All Example Sentences for in vitro
Cite this Entry
“In vitro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20vitro. Accessed 20 Oct. 2025.
Copy CitationKids Definition
in vitro
adverb or adjective
in vi·tro
in-ˈvē-(ˌ)trō
: 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
in vi·tro
in-ˈvē-(ˌ)trō
-ˈvi-
-ˈvi-
: outside the living body and in an artificial environment
growth of cells in vitro
in vitro studies
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