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



BrE BrE//ˈtɪnɪtəs//
; NAmE NAmE//ˈtɪnɪtəs//
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an unpleasant condition in which somebody hears ringing in their ears Word Origin mid 19th cent.: from Latin, from tinnire ‘to ring, tinkle’, of imitative origin.
See the Oxford Advanced American Dictionary entry: tinnitus