Pol`y*phon"ic (?), a. [Gr. &?;; poly`s many + &?; sound: cf. F. polyphone.] 1. Having a multiplicity of sounds.

2. Characterized by polyphony; as, Assyrian polyphonic characters.

3. (Mus.) Consisting of several tone series, or melodic parts, progressing simultaneously according to the laws of counterpoint; contrapuntal; as, a polyphonic composition; -- opposed to homophonic, or monodic.