Dictionary.com
Thesaurus.com

in vitro fertilization

American  

noun

  1. a specialized technique by which an ovum, especially a human one, is fertilized by sperm outside the body, with the resulting embryo later implanted in the uterus for gestation.


in vitro fertilization British  

noun

  1.  IVF.  a technique enabling some women who are unable to conceive to bear children. Egg cells removed from a woman's ovary are fertilized by sperm in vitro; some of the resulting fertilized egg cells are incubated until the blastocyst stage, which are then implanted into her uterus

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

in vitro fertilization Scientific  
  1. Fertilization of an egg outside the body of a female by the addition of sperm, as a means of producing a zygote.


Etymology

Origin of in vitro fertilization

First recorded in 1970–75

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.

In addition, we provided substantial financial help for in vitro fertilization when our daughter was trying to have this baby.

From MarketWatch • Jul. 1, 2026

“There really is not any unmet medical or clinical need for this, especially from an in vitro fertilization perspective,” Komor said.

From The Wall Street Journal • Jun. 5, 2026

In late 2023, CooperSurgical recalled three lots of embryo culture solution used for in vitro fertilization.

From Barron's • Jun. 5, 2026

Last March, at a Women’s History Month event, President Donald Trump highlighted his record on women’s health, including support for in vitro fertilization, saying he’ll one day be known as the “fertilization president.”

From Salon • Apr. 18, 2026

When that didn’t work, he recommended we move to in vitro fertilization.

From "Becoming" by Michelle Obama

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "in vitro fertilization" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com