from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The science concerned with the properties of sound as affected by passing through different mediums; diaphonics.
from the GNU version of the Collaborative International Dictionary of English
- 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.
from The Century Dictionary and Cyclopedia
- n. The science or doctrine of refracted sounds; the consideration of the properties of sound refracted by passing through media of different density. Also called diaphonics.
Compare French diacoustique. (Wiktionary)