Today's Word of the Day means...


[myoo-tuh-juh n, -jen] /ˈmyu tə dʒən, -ˌdʒɛn/
a substance or preparation capable of inducing mutation.
1945-50; muta(tion) + -gen Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for mutagens
  • Many mutagens are also carcinogens, but some carcinogens are not mutagens.
British Dictionary definitions for mutagens


a substance or agent that can induce genetic mutation
Derived Forms
mutagenic (ˌmjuːtəˈdʒɛnɪk) adjective
mutagenicity, noun
Word Origin
C20: from mutation + -gen
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
Cite This Source
Word Origin and History for mutagens
1946, from mutation + -gen, from Gk. -genes "formation, creation" (see genus). Related: Mutagenic.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
mutagens in Medicine

mutagen mu·ta·gen (myōō'tə-jən, -jěn')
An agent, such as ultraviolet light or a radioactive element, that can induce or increase the frequency of mutation in an organism.

mu'ta·gen'ic adj.
mu'ta·gen'i·cal·ly adv.
mu'ta·ge·nic'i·ty (-jə-nĭs'ĭ-tē) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
mutagens in Culture
mutagen [(myooh-tuh-juhn, myooh-tuh-jen)]

Something that causes mutations in living things. Mutagens include chemicals, such as drugs or toxins, and radiation.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of The Day

Difficulty index for mutagen

Some English speakers likely know this word

Word Value for mutagens

Scrabble Words With Friends