DictionarytinnitusPerceived ear noise
noun

tinnitus

TIN-ih-tus/ˈtɪnɪtəs/

Ringing, buzzing, or other sound heard without an external source.

Her tinnitus sounds like a steady ringing in a quiet room.

Tinnitus shown as ear-localized ringing that persists when outside sound is blocked: a compact two-view sequence of the same woman in a quiet setting, first listening uneasily and then covering both ears, with identical fine ringing arcs localized immediately at her ears.
Etymology

Latin tinnitus named ringing or jingling generally. In medical use, that sound-name became a term for ringing perceived in the ears, encompassing buzzing as well.

In context

WebMD1:00
tinnitus or ringing in your ears some people may even lose their ability to see or hear normally
Inside a Migraine: The Body's Response to an Attack | WebMD

More examples

  • His tinnitus makes it hard to fall asleep.
  • She describes her tinnitus as buzzing rather than ringing.
  • The doctor asks when the tinnitus began.