Definition of tinnitus in US English:

tinnitus

noun

Medicine
  • Ringing or buzzing in the ears.

    • ‘The tinnitus and pain occurred simultaneously while the patient was sleeping.’
    • ‘Sometimes tinnitus is a symptom of a disease, like an ear infection or Meniere's disease.’
    • ‘This condition has the associated symptoms of tinnitus (ringing in the ears) and difficulty with hearing.’
    • ‘Here I don't have to strain to try and get rid of the buzzing and ringing tinnitus that is with me every waking hour.’
    • ‘Treatment is based on trying to control the associated symptoms of vertigo, tinnitus and deafness.’
    hum, humming, buzzing, murmur, drone, whir, whirring, fizz, fizzing, fuzz, hiss, singing, whisper
    View synonyms

Origin

Mid 19th century: from Latin, from tinnire ‘to ring, tinkle’, of imitative origin.

Pronunciation

tinnitus

/ˈtinədəs//ˈtɪnədəs/