Definitions

1. noun

a ringing, buzzing, hissing, or other persistent sound in the ear when no external sound is present, often caused by damage to the ear or exposure to loud noises.

“The doctor diagnosed him with tinnitus after years of working in a factory without ear protection.”

2. noun

a subjective sensation of hearing a sound, especially a ringing or buzzing sound, when no external sound is present.

“She has been experiencing tinnitus since the car accident, and it’s been a source of frustration for her.”