diacoustics
(daɪəˈkaʊstɪks)
[mod. f. di-3 + acoustics: in F. diacoustique. Cf. dioptrics.]
A name for the science of refracted sounds. Also termed diaphonics.
| 1683 Phil. Trans. XIV. 473 Hearing may be divided into direct, refracted and reflex'd..which are yet nameless unless we call them Acousticks, Diacousticks and Catacousticks. 1704 J. Harris Lex. Techn., Diacousticks or Diaphonicks is the consideration of the properties of Refracted sound, as it passes through different mediums. 1803 Cavallo Nat. Philos. II. 309 Diacoustics, viz. of refracted sound. |