Agent Orange

Agent Orange

noun
a powerful herbicide and defoliant containing trace amounts of dioxin, a toxic impurity suspected of causing serious health problems, including cancer and genetic damage, in some persons exposed to it and birth defects in their offspring: used by U.S. armed forces during the Vietnam War to defoliate jungles.

Origin:
1965–70; so called from the color of the identifying stripe on the drums in which it was stored

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World English Dictionary
Agent Orange
 
n
a highly poisonous herbicide used as a spray for defoliation and crop destruction, esp by US forces during the Vietnam War
 
[C20: named after the identifying colour stripe on its container]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

Agent Orange
powerful defoliant used by U.S. military in the Vietnam War, c.1970, so called from the color strip on the side of the container, which distinguished it from Agent Blue, Agent Purple, Agent White, etc., other herbicides used by the U.S. military. Banned from April 1970.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

Agent Orange n.
A herbicide that contains trace amounts of the toxic contaminant dioxin, used in the Vietnam War to defoliate areas of forest.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
Agent Orange  
A mixture of equal amounts of two herbicides known as 2,4-D and 2,4,5-T, and trace amounts of the toxic contaminant dioxin (a byproduct of the manufacture of 2,4,5-T). It was used in the Vietnam War to defoliate areas of forest.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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