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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 phonoscope
 驗聲器

From: Webster's Revised Unabridged Dictionary (1913)

 Pho·no·scope n.  Physics (a) An instrument for observing or exhibiting the motions or properties of sounding bodies; especially, an apparatus invented by König for testing the quality of musical strings. (b) An instrument for producing luminous figures by the vibrations of sounding bodies.