[ par-uh-kwaht ]
/ ˈpær əˌkwɑt /
a toxic herbicide, C12H14N2⋅2CH3SO4, applied to food and flower crops and to highway borders as a defoliant and weed-killer.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for paraquat
/ (ˈpærəˌkwɒt) /
trademark a yellow extremely poisonous soluble solid used in solution as a weedkiller
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 paraquat
[ păr′ə-kwŏt′ ]
A colorless compound or related yellow compound used as a herbicide.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for paraquat
[ păr′ə-kwŏt′ ]
A toxic compound used as a herbicide, especially in its colorless, dichloride form (C12H14Cl2N2) or in its yellow, bismethyl sulfate form (C14H20N2O8S2). Paraquat is used primarily to control grass and weeds. Its use in the United States is restricted because of its high level of toxicity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.