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in vitro fertilization

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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.
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Origin of in vitro fertilization

First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for in vitro fertilization

in vitro fertilization

noun
  1. 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 uterusAbbreviation: IVF
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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 in Medicine

in vitro fertilization

n.
  1. Fertilization of an egg outside the body of a female by the addition of sperm, as a means of producing a zygote.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

in vitro fertilization in Science

in vitro fertilization

  1. Fertilization of an egg outside the body of a female by the addition of sperm, as a means of producing a zygote.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.