Definition of paraquat noun from the Oxford Advanced Learner's Dictionary

 

paraquat

 noun
noun
BrE BrE//ˈpærəkwɒt//
 
; NAmE NAmE//ˈpærəkwɑːt//
 
[uncountable]
 
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an extremely poisonous liquid used to kill plants that are growing where they are not wanted
See the Oxford Advanced American Dictionary entry: paraquat