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Telecoil: A tiny coil of wire built into many hearing aids that allows the hearing aid to pick up the magnetic fields emitted by telephones, various assistive listening devices, or induction room loops.

Tinnitus – Sensation of a ringing, roaring, or buzzing sound in the ears or head. It is often associated with many forms of hearing loss and noise exposure. Learn more about tinnitus.

Tympanoplasty – Surgical repair of the eardrum (tympanic membrane) or bones of the middle ear.

Tympanometry – A test, also referred to as immittance testing, done during an audiological evaluation that helps to assess the integrity of the tympanic membrane (eardrum) and the middle ear cavity. During tympanometry testing, a probe is inserted into and sealed in the ear canal and then a reflected tone is measured as the pressure in the ear canal is changed. The results are often grafted onto a tympanogram, showing the compliance at various positive and negative pressure levels.