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paraquat

Syllabification: (par·a·quat)
Pronunciation: /ˈparəˌkwät/

Definition of paraquat

noun

  • a toxic, fast-acting herbicide that becomes deactivated in the soil.

Origin:

1960s: from para-1 (sense 2) + quaternary (it is a quaternary ammonium salt containing pyridine rings linked at the para-position)

paraquat in other Oxford dictionaries

Definition of paraquat in the British & World English dictionary

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