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
The couple underwent in vitro fertilization (IVF) for both their kids after experiencing fertility issues.
—
Anna Halkidis, Parents, 9 Dec. 2025
The in vitro gastrointestinal tract model, including the mouth, stomach and small intestine phases, was used to simulate the human digestive processes that occur after ingestion of the kale, composed of digestive fluids formulated in a previous study.
—New Atlas, 8 Dec. 2025
What Research Actually Shows About Cloves Most existing research has been conducted on animals or in vitro with high concentrations of cloves, not with clove water or the whole spice.
—Caitlin Pagán, Verywell Health, 5 Dec. 2025
For $30,000, Nucleus offers a program called IVF+, which includes full DNA scans of both parents and up to 20 embryos conceived through in vitro fertilization.
—Tony Dokoupil, CBS News, 3 Dec. 2025
See All Example Sentences for in vitro
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Anna Halkidis, Parents, 9 Dec. 2025
The in vitro gastrointestinal tract model, including the mouth, stomach and small intestine phases, was used to simulate the human digestive processes that occur after ingestion of the kale, composed of digestive fluids formulated in a previous study.
—New Atlas, 8 Dec. 2025
What Research Actually Shows About Cloves Most existing research has been conducted on animals or in vitro with high concentrations of cloves, not with clove water or the whole spice.
—Caitlin Pagán, Verywell Health, 5 Dec. 2025
For $30,000, Nucleus offers a program called IVF+, which includes full DNA scans of both parents and up to 20 embryos conceived through in vitro fertilization.
—Tony Dokoupil, CBS News, 3 Dec. 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 14 Dec. 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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