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View synonyms for

in vitro

[ in vee-troh ]

adverb

  1. (of a biological process) made to occur in a laboratory vessel or other controlled experimental environment rather than within a living organism or natural setting. Compare in silico ( def ), in vivo ( def ).


in vitro

/ ɪn ˈviːtrəʊ /

adverb

  1. (of biological processes or reactions) made to occur outside the living organism in an artificial environment, such as a culture medium
“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

  1. In an artificial environment, such as a test tube.
  2. Compare in vivo

in vitro

  1. In the laboratory; literally, “in glass” (laboratory experiments are often carried out in glass containers). In vitro conditions are distinguished from conditions that actually apply in nature. ( Compare in vivo .)
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Notes

In vitro appears in the expression in vitro fertilization ,a way of producing human embryos in a laboratory.
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Word History and Origins

Origin of in vitro1

First recorded in 1890–95; from Latin in vitrō, literally, “in glass”
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Word History and Origins

Origin of in vitro1

New Latin, literally: in glass
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Compare Meanings

How does in vitro compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

Examples have not been reviewed.

Those include making in vitro fertilization treatments free, ending taxes on tips and capping credit card interest rates.

From

“I was 100% fascinated,” Grimes said of reviewing their initial in vitro studies.

From

To counter fears that politicians who oppose abortion would ban in vitro fertilization, Trump floated during his campaign making in vitro fertilization treatment free.

From

These eggs were found to develop normally when fertilized in vitro and to become embryos or offspring when transplanted into the rat uterus.

From

Coming during a discussion of abortion and reproductive rights, Lake was presumably referring to in vitro fertilzation, not a loyalist paramilitary in Northern Ireland.

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