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sonograph
[ son-uh-graf, -grahf ]
noun
, Physics.
- an instrument that produces a graphic representation of sound.
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Word History and Origins
Origin of sonograph1
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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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