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
May Have Protective Effects Against Cancer Cells Based on in vitro (in a lab; outside the body) studies, MSM slowed growth and induced the death of cancer cells.3
Animal studies have shown that MSM may block the production (making) of certain proteins that support tumor and cancer development.
—
Melissa Nieves, Verywell Health, 1 May 2025
The team working on the National Assisted Reproductive Technology Surveillance System, which provided patients with information about options such as in vitro fertilization (IVF), was also eliminated.
—Chantelle Lee, Time, 30 Apr. 2025
The couple uses and advocates for in vitro fertilization and claims the embryos of their four children were screened for illnesses, mental health issues and potential intelligence.
—Lisa Hagen, NPR, 25 Apr. 2025
Photograph: Jamie Grill/Getty Images More and more people are turning to in vitro fertilization, or IVF, to have babies.
—Emily Mullin, Wired News, 7 Apr. 2025
See All Example Sentences for in vitro
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Melissa Nieves, Verywell Health, 1 May 2025
The team working on the National Assisted Reproductive Technology Surveillance System, which provided patients with information about options such as in vitro fertilization (IVF), was also eliminated.
—Chantelle Lee, Time, 30 Apr. 2025
The couple uses and advocates for in vitro fertilization and claims the embryos of their four children were screened for illnesses, mental health issues and potential intelligence.
—Lisa Hagen, NPR, 25 Apr. 2025
Photograph: Jamie Grill/Getty Images More and more people are turning to in vitro fertilization, or IVF, to have babies.
—Emily Mullin, Wired News, 7 Apr. 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 10 May. 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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