adj. 1 Mus. (of vocal music etc.) in two or more relatively independent parts; contrapuntal. 2 Phonet. (of a letter etc.) representing more than one sound. polyphonically adv.
[ Gk poluphonos (as POLY-(1), phone voice, sound) ]
POLYPHONIC
Meaning of POLYPHONIC in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012