One of the mysteries of the English language finally explained.
A synthetic compound used in controlling plant growth, often as a nonpersistent contact herbicide.
A bromide of a quaternary amine; chemical formula: (C₅H₄NCH₂)₂Br₂
- ‘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.’
- ‘EPA has found diquat to potentially cause the following health effects.’
- ‘Cost of treating hydrilla with diquat or Sonar is about $1, 000 an acre.’
1960s: from di- ‘two’ + quaternary.
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