柯林斯詞典tinnitus /?t?n?t?s, t??na?t?s/ 1. N a ringing, hissing, or booming sensation in one or both ears, caused by infection of the middle or inner ear, a side effect of certain drugs, etc 耳鳴[pathol] 返回 tinnitus劍橋詞典a condition of the ear in which the person suffering from it hears noises such as ringing 耳鳴 返回 tinnitus