n. [ Gr. 'wqei^n to push + -scope. ] (Physics) An instrument for exhibiting the repulsive action produced by light or heat in an exhausted vessel; a modification of the radiometer. W. Crookes. [ 1913 Webster ]
(n) medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane), Syn. auriscope, auroscope