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



BrE BrE//miˈæzmə//
; NAmE NAmE//miˈæzmə//
; BrE BrE//maɪˈæzmə//
; NAmE NAmE//maɪˈæzmə//
[countable, usually singular, uncountable] (literary)
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a mass of air that is dirty and smells unpleasant A miasma of stale alcohol hung around him. (figurative) the miasma of depression Word Originmid 17th cent.: from Greek, literally ‘defilement’, from miainein ‘pollute’.
See the Oxford Advanced American Dictionary entry: miasma