"polyphonic" in the adjective sense
1. polyphonic
having two or more phonetic values
"polyphonic letters such as `a'"
2. polyphonic, polyphonous
of or relating to or characterized by polyphony
"polyphonic traditions of the baroque"
3. polyphonic, contrapuntal
having two or more independent but harmonically related melodic parts sounding together
Source: WordNet® (An amazing lexical database of English)
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