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sonograph

[ son-uh-graf, -grahf ]

noun

, Physics.
  1. an instrument that produces a graphic representation of sound.


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Word History and Origins

Origin of sonograph1

First recorded in 1955–60; sono- + -graph
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Example Sentences

We should point out, however, that you have referred to the equipment in question as a Dictaphone, which is the trade name of our good friends, the Dictaphone Corp., not of our firm, Sonograph Ltd., which is the major Canadian company in the dictating-machine field here.

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sonogramsonoluminescence