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Meaning of paraquat

par•a•quat

Pronunciation: (par'u-kwät"), [key]
— n. Chem.
  1. a toxic herbicide, CHN&multiplydot;2CHSO, applied to food and flower crops and to highway borders as a defoliant and weed-killer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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