teratogen

[ tuh-rat-uh-juh n, -jen, ter-uh-tuh- ]
/ təˈræt ə dʒən, -ˌdʒɛn, ˈtɛr ə tə- /

noun Biology.

a drug or other substance capable of interfering with the development of a fetus, causing birth defects.

QUIZZES

HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!

Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
anchorite

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. 2020

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.