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 actors later welcomed their two children — daughter Sebella Rose in January 2012, and son Dylan Gabriel Winter in November 2017 — via in vitro fertilization (IVF).
—
Ilana Frost, PEOPLE, 26 May 2026
Advancements have also greatly extended the number of days human embryos can grow in vitro at the earliest stages of pregnancy.
—Alex Morris, Rolling Stone, 19 May 2026
The Porters used in vitro fertilization to assist the pregnancies.
—Mitch Sherman, New York Times, 11 May 2026
Be cautious when combining with antidiabetes drugs, as in vitro and animal studies suggest that oregano extracts might lower blood glucose levels.
—Angelica Bottaro, Verywell Health, 20 Apr. 2026
See All Example Sentences for in vitro
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Ilana Frost, PEOPLE, 26 May 2026
Advancements have also greatly extended the number of days human embryos can grow in vitro at the earliest stages of pregnancy.
—Alex Morris, Rolling Stone, 19 May 2026
The Porters used in vitro fertilization to assist the pregnancies.
—Mitch Sherman, New York Times, 11 May 2026
Be cautious when combining with antidiabetes drugs, as in vitro and animal studies suggest that oregano extracts might lower blood glucose levels.
—Angelica Bottaro, Verywell Health, 20 Apr. 2026
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 6 Jun. 2026.
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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