Definition of opium noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈəʊpiəm//
; NAmE NAmE//ˈoʊpiəm//
[uncountable] Addiction
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a powerful drug made from the juice of a type of poppy (= a kind of flower), used in the past in medicines to reduce pain and help people sleep. Some people take opium illegally for pleasure and can become addicted to it. opium poppies the opium trade See related entries: Addiction Word Originlate Middle English: via Latin from Greek opion ‘poppy juice’, from opos ‘juice’, from an Indo-European root meaning ‘water’.
See the Oxford Advanced American Dictionary entry: opium