n. 耳鸣

[医] 耳鸣

[ noun ]
a ringing or booming sensation in one or both ears; a symptom of an ear infection or Meniere's disease
<noun.state>

Tinnitus \Tin*ni"tus\, n. [L., fr. tinnire to jingle.] (Med.)
A ringing, whistling, or other imaginary noise perceived in
the ears; -- called also {tinnitus aurium}.