tinnitus

(tin-i’tus, tin’it-us) [L. “a tinkling ”]. A ringing or singing sound in the ears. Called also t. aurium. clicking t., a clicking sound in the ear heard in chronic catarrhal otitis media. Laudet’s t., a dry click heard with the otoscope in catarrh of the eustachian tube; due to reflex spasm of the tensor palati muscle. nervous t., that which arises from some disturbance of the optic nerve or its central connection. telephone t., tinnitus due to the use of the telephone.