po ‧ lyph ‧ o ‧ ny /pəˈlɪfəni/ BrE AmE noun [uncountable]
a type of music in which several different tunes or notes are sung or played together at the same time
—polyphonic /ˌpɒlɪˈfɒnɪk◂ $ ˌpɑːlɪˈfɑː-/ adjective
po ‧ lyph ‧ o ‧ ny /pəˈlɪfəni/ BrE AmE noun [uncountable]
a type of music in which several different tunes or notes are sung or played together at the same time
—polyphonic /ˌpɒlɪˈfɒnɪk◂ $ ˌpɑːlɪˈfɑː-/ adjective
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012