Is “Polytonality” a Scrabble word?
Yes
POLYTONALITY
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Polytonality
noun
1.The use of multiple keys in the same composition, especially by multiple instruments at the same time
Synonyms: polyharmony