An instrument for visualizing sound waves. [tono- + G. phaino, to appear]

Medical dictionary. 2011.

Look at other dictionaries:

  • Tonophant — Ton o*phant (t[=o]n [ o]*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… …   The Collaborative International Dictionary of English

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