noun \ˈdī-ˌkwät\

Definition of DIQUAT

:  a powerful herbicide and plant desiccant C12H12Br2N2 used especially to control aquatic weeds and to desiccate aerial plant parts (as of potatoes) before harvesting

Origin of DIQUAT

di- + quaternary
First Known Use: 1960


Next Word in the Dictionary: dir
Previous Word in the Dictionary: dipyre
All Words Near: diquat

Seen & Heard

What made you want to look up diquat? Please tell us where you read or heard it (including the quote, if possible).