Pronunciation: (pol"ē-fon'ik), [key]
1. consisting of many voices or sounds.
a. having two or more voices or parts, each with an independent melody, but all harmonizing; contrapuntal (opposed to homophonic).
b. pertaining to music of this kind.
c. capable of producing more than one tone at a time, as an organ or a harp.
3. Phonet.having more than one phonetic value, as the letter s, that is voiced (z) in nose and unvoiced (s) in salt.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.