n.
Simultaneous use of two or more tonalities in a musical composition.
polytonal pol'y·to'nal (-tō'nəl) adj.
polytonally pol'y·to'nal·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
