(redirected from Diquat dibromide)
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A toxic nonpersistent strong contact herbicide, C12H12N2, usually formulated as its yellow crystalline dibromide salt.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Chemistry) a toxic chemical used as a herbicide, belonging to the same class of quaternary compounds as paraquat
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
In 2014 the EPA further approved an amendment of Duke's diquat dibromide labels to lower the signal word from "warning" to "caution." Duke's Root Control does it all.
Estimation of exposure of persons in California to the pesticide products that contain diquat dibromide. HS-1662.