in vitro

adverb or adjective

in vi·​tro in-ˈvē-(ˌ)trō  -ˈvi- 

-ˈwē-

: outside the living body and in an artificial environment

Examples of in vitro in a Sentence

Recent Examples on the Web

The Fertility Center of Orlando was sued by the couple, Tiffany Score and Steven Mills, after Score was implanted with an embryo after undergoing in vitro fertilization treatment at the clinic in March 2025 and gave birth that December. —Jeanine Santucci, USA Today, 3 Apr. 2026

In January, a couple who had gone through in vitro fertilization there, Tiffany Score and Steven Mills, sued the clinic and its head reproductive endocrinologist after testing revealed that a baby girl Score gave birth to in December 2025 was not their biological child. —Elizabeth Chuck, NBC news, 3 Apr. 2026

Synthetic embryo models, such as blastoids and gastruloids, which replicate key stages in mammalian embryogenesis in vitro, are slowly gaining traction as viable means of ex-vivo development. —Srishti Gupta, Interesting Engineering, 28 Mar. 2026

The former Alabama Supreme Court justice who wrote the controversial ruling that temporarily halted in vitro fertilization services two years ago is running for state attorney general -- and a group of conservative IVF parents is banding together to try to stop him. —Rachel Scott, ABC News, 19 Mar. 2026

Word History

Etymology

New Latin, literally, in glass

First Known Use

circa 1894, in the meaning defined above

Rhymes for in vitro

• dinitro
• nitro

Kids 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- 

: outside the living body and in an artificial environment

growth of cells in vitro

in vitro studies