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2 definitions found

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

 diacoustics
 折聲學

From: Webster's Revised Unabridged Dictionary (1913)

 Di·a·cous·tics n.  That branch of natural philosophy which treats of the properties of sound as affected by passing through different mediums; -- called also diaphonics. See the Note under Acoustics.