dia- +‎ acoustics. Compare French diacoustique.


diacoustics (uncountable)

  1. The science concerned with the properties of sound as affected by passing through different mediums; diaphonics.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for diacoustics in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)