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单词 in vitro
释义

in vitro

[ in -vee-troh ]
/ ɪn ˈvi troʊ /
SEE SYNONYMS FOR in vitro ON THESAURUS.COM

adverb, adjective

(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 vivo.

Origin of in vitro

First recorded in 1890–95, in vitro is from Latin in vitrō literally, “in glass”

Words nearby in vitro

invitational, invitatory, invite, invitee, inviting, in vitro, in vitro fertilization, in vivo, in vivo fertilization, invocate, invocation
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for in vitro

  • In-vitro fertilization could also come under threat, opponents say, as the process can result in discarded embryos.

    ‘Personhood’ Leader Keith Mason Says His Family Home Was Attacked|Abigail Pesta|July 2, 2012|DAILY BEAST
  • Mason said opponents use birth control and in-vitro fertilization as "scare tactics."

    ‘Personhood’ Leader Keith Mason: Oklahoma Ruling Helps the Movement|Abigail Pesta|April 30, 2012|DAILY BEAST

British Dictionary definitions for in vitro

in vitro
/ (ɪn ˈviːtrəʊ) /

adverb, adjective

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

Word Origin for in vitro

New Latin, literally: in glass
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

Cultural definitions for in vitro

in vitro
[ (in vee-troh) ]

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.)

notes for in vitro

In vitro appears in the expression in vitro fertilization, a way of producing human embryos in a laboratory.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Medical definitions for in vitro

in vitro
[ ĭn vētrō ]

adj.

In an artificial environment outside a living organism.

Other words from in vitro

in vitro adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for in vitro

in vitro
[ ĭn vētrō ]

In an artificial environment, such as a test tube. Compare in vivo.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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