[ hur-buh-sahyd, ur- ]
/ ˈhɜr bəˌsaɪd, ˈɜr- /
a substance or preparation for killing plants, especially weeds.
Related formsher·bi·cid·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for herbicide
The most widely planted type of biotech crop is engineered to withstand application of an herbicide to kill nearby weeds.
Bags of fertilizer can be put on display, as can vials of penicillin, and jars of herbicide.
British Dictionary definitions for herbicide
/ (ˈhɜːbɪˌsaɪd) /
a chemical that destroys plants, esp one used to control weeds
Derived Formsherbicidal, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for herbicide
[ hûr′bĭ-sīd′, ûr′- ]
A pesticide used to kill weeds. Paraquat is a herbicide. Compare fungicide insecticide rodenticide.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.