Definition of polyphone in English:

polyphone

(also polyphon)

noun

  • Phonetics. A written character having more than one phonetic value; a letter or other symbol which stands for different sounds.

Origin

Mid 17th century (in an earlier sense). Originally from ancient Greek πολύϕωνος having many tones; in later use from poly- + -phone.

Pronunciation

polyphone

/ˈpɒlɪfəʊn/