Definition of diquat in English:

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Pronunciation: /ˈdʌɪkwɒt/


[mass noun]
A synthetic compound used in controlling plant growth, often as a non-persistent contact herbicide.
  • A bromide of a quaternary amine; chemical formula: (C5H4NCH2)2Br2.
Example sentences
  • Victor Oreffo (AstraZeneca, Loughborough, UK) presented results on gene expression analysis following in vivo or in vitro exposure to the oxidative stress agents menadione and diquat.
  • Cost of treating hydrilla with diquat or Sonar is about $1, 000 an acre.
  • EPA has found diquat to potentially cause the following health effects.


1960s: from di-1 'two' + quaternary.

For editors and proofreaders

Line breaks: di¦quat

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