polytonality

English

Etymology

poly- +‎ tonality

Noun

polytonality (countable and uncountable, plural polytonalities)

1. (music) The use of multiple keys in the same composition, especially by multiple instruments at the same time

Synonyms

• polyharmony

Related terms

• bitonality (using precisely two keys)
• polyvalence (use of more than one harmonic function in one key)