to·nal·i·ty  (t ō-n ăl ĭ-t ē)
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n. pl. to·nal·i·ties 1. Music a. A system or arrangement of seven tones built on a tonic key. b. The arrangement of all the tones and chords of a composition in relation to a tonic. 2. The scheme or interrelation of the tones in a painting. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
Indo-European Roots
Semitic Roots
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.
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