herbicide

[ hur-buh-sahyd, ur- ]
/ ˈhɜr bəˌsaɪd, ˈɜr- /

noun

a substance or preparation for killing plants, especially weeds.

Origin of herbicide

First recorded in 1895–1900; herb + -i- + -cide

Related forms

her·bi·cid·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for herbicide

British Dictionary definitions for herbicide

herbicide

/ (ˈhɜːbɪˌsaɪd) /

noun

a chemical that destroys plants, esp one used to control weeds

Derived Forms

herbicidal, 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

herbicide

[ hûrbĭ-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.