paraquat

[ par-uh-kwaht ]
See synonyms for: paraquatparaquats on Thesaurus.com

nounChemistry.
  1. a toxic herbicide, C12H14N2⋅2CH3SO4, applied to food and flower crops and to highway borders as a defoliant and weed-killer.

Origin of paraquat

1
1960–65; para-1 + quat(ernary), in reference to the bond between the two pyridyl groups, which is in the para position with respect to their quaternary nitrogen atoms

Words Nearby paraquat

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How to use paraquat in a sentence

British Dictionary definitions for Paraquat

Paraquat

/ (ˈpærəˌkwɒt) /


noun
  1. 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

Scientific definitions for paraquat

paraquat

[ părə-kwŏt′ ]


  1. 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.

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