A substance, remedy, or movement opposing the use of opium, especially in medical practice or society.
From anti- (against) + opium (the drug derived from poppies, from Latin/Greek via Dutch). Emerged as a term during the 19th century when opium addiction became a major public health and political issue.
The antiopium movement of the 1800s fought against Britain's opium trade to China—one of history's biggest moral crusades that actually succeeded in changing international law!
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