Hypertext Webster Gateway: "diacoustics"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Diacoustics \Di`a*cous"tics\, n. [Cf. F. diacoustique.]
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}.
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