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teratogen

[ tuh-rat-uh-juhn, -jen, ter-uh-tuh- ]
/ təˈræt ə dʒən, -ˌdʒɛn, ˈtɛr ə tə- /
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noun Biology.
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

OTHER WORDS FROM teratogen

te·rat·o·gen·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for teratogen

teratogen
/ (ˈtɛrətədʒən, tɪˈrætə-) /

noun
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

Derived forms of teratogen

teratogenic, 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

Medical definitions for teratogen

teratogen
[ tə-rătə-jən, tĕrə-tə- ]

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

Scientific definitions for teratogen

teratogen
[ tə-rătə-jən, tĕrə-tə- ]

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