defoliant

[dee-foh-lee-uhnt] Origin

de·fo·li·ant

[dee-foh-lee-uhnt]
noun
a preparation for defoliating plants.

Origin:
1940–45; defoli(ate) + -ant
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Defoliant is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a scrap or morsel of food left at a meal.
Collins
World English Dictionary
defoliant (diːˈfəʊlɪənt)
 
n
a chemical sprayed or dusted onto trees to cause their leaves to fall, esp to remove cover from an enemy in warfare

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

defoliant
1943, from defoliate.
Online Etymology Dictionary, © 2010 Douglas Harper
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