POLYPHONIC Meaning of POLYPHONIC in English [poly.phon.ic] or po.lyph.o.nous adj (1782) 1: of, relating to, or marked by polyphony 2: being a polyphone -- poly.phon.i.cal.ly or po.lyph.o.nous.ly adv Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012