, otherwise called Acoustics, is the doctrine or science of sounds.
Phonics may be considered as an art analogous to Optics; and may be divided, like that, into Direct, Refracted, and Reflected. These branches, the bishop of Ferns, in allusion to the parts of Optics, denominates Phonics, Diaphonics, and Cataphonics. See Acoustics.
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Entry taken from A Mathematical and Philosophical Dictionary, by Charles Hutton, 1796.
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