in vitro

[in vee-troh] / ɪn ˈvi troʊ /

ADJECTIVE

artificial

Synonyms

WEAK

artificial insemination outside the womb test-tube

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Because of these challenges, most past research has focused on tachyzoites grown in vitro, leaving the biology of cyst-dwelling bradyzoites largely unexplored.

From Science Daily • Jan. 27, 2026

Fertility treatments: Large employer health plans will be required to cover infertility treatments, including in vitro fertilization, for everyone, regardless of marital status, gender identity or sexual orientation.

From Los Angeles Times • Jan. 1, 2026

So far, the research has been conducted only in vitro.

From Science Daily • Dec. 7, 2025

Nelson was still married in 2020 when the fertility clinic called her at work with devastating news: Her husband had just requested the destruction of the embryos they created through in vitro fertilization, or IVF.

From The Wall Street Journal • Nov. 23, 2025

When these failed, Dr. Rosen advised in vitro fertilization.

From "The Kite Runner" by Khaled Hosseini