diaphonics ? Obs.
[f. as pl. of diaphonic a.1: see -ics.]
= diacoustics.
| 1683 Phil. Trans. XIV. 473 Three parts of our Doctrine of Acousticks; which are yet nameless, unless we call them Acousticks, Diacousticks, and Catacousticks, or (in another sense, but to as good purpose) Phonicks, Diaphonicks, and Cataphonicks. 1704 J. Harris Lex. Techn., Diacousticks, or Diaphonicks, is the consideration of the properties of Refracted sound, as it passes through different mediums. |