Ton"o*phant (tōn"&oasl;*fant), n. [Gr. to`nos a tone + fai`nein to show.] (Physics.) A modification of the kaleidophon, for showing composition of acoustic vibrations. It consists of two thin slips of steel welded together, their length being adjystable by a screw socket.

Ton"o*phant (tōn"&oasl;*fant), n. [Gr. to`nos a tone + fai`nein to show.] (Physics.) A modification of the kaleidophon, for showing composition of acoustic vibrations. It consists of two thin slips of steel welded together, their length being adjystable by a screw socket.