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teratogen

[tuh-rat-uh-juh n, -jen, ter-uh-tuh-]
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noun Biology.
  1. a drug or other substance capable of interfering with the development of a fetus, causing birth defects.
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Origin of teratogen

First recorded in 1900–05; terato- + -gen
Related formste·rat·o·gen·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for teratogenic

teratogen

noun
  1. any substance, organism, or process that causes malformations in a fetus. Teratogens include certain drugs (such as thalidomide), infections (such as German measles), and ionizing radiation
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Derived Formsteratogenic, adjectiveteratogenicist, nounteratogenicity, noun
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

Word Origin and History for teratogenic

adj.

"causing the formation of monsters," 1879, from teratogeny (1857), from comb. form of Greek teras (genitive teratos) "marvel, monster" + -genic.

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teratogen

n.

1959, from comb. form of Greek teras (genitive teratos) "marvel, monster" + -gen.

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Online Etymology Dictionary, © 2010 Douglas Harper

teratogenic in Medicine

teratogenic

(tĕr′ə-tə-jĕnĭk)
adj.
  1. Of, relating to, or causing malformations of an embryo or a fetus.
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teratogen

(tə-rătə-jən, tĕrə-tə-)
n.
  1. An agent, such as a virus, a drug, or radiation, that can cause malformations or functional damage to an embryo or a fetus.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

teratogenic in Science

teratogen

[tə-rătə-jən, tĕrə-tə-]
  1. An agent, such as a virus, a drug, or radiation, that can cause malformations in an embryo or fetus.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.