English

Definition of Agent Orange noun from the Oxford Advanced Learner's Dictionary

 

Agent Orange

 noun
noun
BrE
 
; NAmE
 
[uncountable]
 
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a poisonous chemical used by US soldiers during the Vietnam War to remove the leaves from forests so that they could see the enemy. It caused birth defects in many Vietnamese children, and after the war about 60 000 former US soldiers complained of illnesses.
See the Oxford Advanced American Dictionary entry: Agent Orange