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adjective
1.
of, pertaining to, affected with, or caused by a toxin or poison: a toxic condition.
2.
acting as or having the effect of a poison; poisonous: a toxic drug.
3.
pertaining to or noting debt that will probably not be repaid: toxic mortgages.
4.
pertaining to or noting a financial instrument or other asset that has no value or an unknown value because there is no market for it: toxic mortgage-backed securities.
noun
5.
a toxic chemical or other substance.
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Toxic
is always a great word to know.
So is quincunx. Does it mean:
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
Origin:
1655–65; < Late Latin toxicus poisonous, adj. derivative of Latin toxicum poison < Greek toxikón (orig. short for toxikòn phármakon literally, bow poison, i.e., poison used on arrows), equivalent to tóx(on) bow + -ikon, neuter of -ikos -ic
1655–65; < Late Latin toxicus poisonous, adj. derivative of Latin toxicum poison < Greek toxikón (orig. short for toxikòn phármakon literally, bow poison, i.e., poison used on arrows), equivalent to tóx(on) bow + -ikon, neuter of -ikos -ic
Related forms
tox·i·cal·ly, adverb
hy·per·tox·ic, adjective
non·tox·ic, adjective
non·tox·i·cal·ly, adverb
post·tox·ic, adjective
EXPAND
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To TOXIC
Example Sentences
- Where toxic pollution and human habitation collide with devastating effects.
- Inevitably companies have claimed to offer products that are more effective and less toxic.
- Macaws eat seeds containing alkaloids, a group of chemicals that has some notoriously toxic members, such as strychnine.
Collins
World English Dictionary
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History
toxic
1664, from Fr. toxique, from L.L. toxicus "poisoned," from L. toxicum "poison," from Gk. toxikon (pharmakon) "(poison) for use on arrows," from toxikon, neut. of toxikos "pertaining to arrows or archery," and thus to a bow, from toxon "bow," probably from a Scythain word that also was borrowed into L.
EXPANDas taxus "yew."
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
toxic tox·ic (tŏk'sĭk)
adj.
Of, relating to, or caused by a toxin or other poison.
Capable of causing injury or death, especially by chemical means; poisonous.
A toxic chemical or other substance.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
toxic  (tŏk'sĭk) Pronunciation Key
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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