Webster’s Revised Unabridged Dictionary · 1913
Cataphonics
Cat′a·phon′ics (·ĭks), n. [Pref. cata + phonic: cf. F. cataphonique.] (Physics) That branch of acoustics which treats of reflected sounds; catacoustics.
Webster’s Revised Unabridged Dictionary · 1913
Cat′a·phon′ics (·ĭks), n. [Pref. cata + phonic: cf. F. cataphonique.] (Physics) That branch of acoustics which treats of reflected sounds; catacoustics.