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A poison or poisonous agent.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. a toxic substance; poison
2. a rare word for intoxicant
[C19: from Medieval Latin toxicāre to poison; see toxic]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tox•i•cant(ˈtɒk sɪ kənt)
1. poisonous; toxic.n.
2. a poison.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||toxicant - any substance that causes injury or illness or death of a living organism|
substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man"
atropine - a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
hyoscyamine - a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
toxin - a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
|Adj.||1.||toxicant - having the qualities or effects of a poison|
toxic - of or relating to or caused by a toxin or poison; "suffering from exposure to toxic substances"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.