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herbicide

[hur-buh-sahyd, ur-] /ˈhɜr bəˌsaɪd, ˈɜr-/
noun
1.
a substance or preparation for killing plants, especially weeds.
Origin
1895-1900
1895-1900; herb + -i- + -cide
Related forms
herbicidal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for herbicidal

herbicide

/ˈhɜːbɪˌsaɪd/
noun
1.
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
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Word Origin and History for herbicidal

herbicide

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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herbicidal in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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18
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