eardrum

Anat .: [TYMPANUM.] 2. Pl .: The family Haliotidæ, of which Haliotis is the type. ear-shot, s . Hearing distance. IMG:content-0698.png:[blocks in formation] the tube itself. Gutta perch a seems to answer the latter conditions better than any other material. Ear-trumpets are of several descriptions; their e ential characteristic is that they have a narrow aperture at one end to be placed close to the ear, while the other opening is large and bell-shaped. The waves of sound collected from the wide expanse of the one extremity are concentrated as they flow toward the other, and in that state enter the ear. The ear-trumpet is a speaking trumpet reversed. ear-wax, s. [CERUMEN, EARWAX.]