Word Study
polytonality
WORDNET DICTIONARY
Noun polytonality has 1 sense
- polytonality(n = noun.communication) polytonalism - music that uses two or more different keys at the same time; Array is a kind of music
Derived form adjective polytonal1
OXFORD DICTIONARY
polytonality, n. Mus. the simultaneous use of two or more keys in a composition.
Derivative
polytonal adj.
For further exploring for "polytonality" in Webster Dictionary Online