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