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herbicide

[hur-buh-sahyd, ur-]
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noun
  1. a substance or preparation for killing plants, especially weeds.
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Origin of herbicide

First recorded in 1895–1900; herb + -i- + -cide
Related formsher·bi·cid·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for herbicide

pesticide, fungicide, defoliant, insecticide, weedkiller, DDT, paraquat

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British Dictionary definitions for herbicide

herbicide

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

Word Origin and History for herbicide

n.

1888, originally a trademark name, from herb + -cide.

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Online Etymology Dictionary, © 2010 Douglas Harper

herbicide in Science

herbicide

[hûrbĭ-sīd′, ûr-]
  1. A pesticide used to kill weeds. Paraquat is a herbicide. Compare fungicide insecticide rodenticide.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.