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Pronunciation: ton


  1. A sound of distinct frequency.
  2. The character of the voice expressing an emotion.
  3. The tension present in resting muscles.
  4. Firmness of the tissues; normal functioning of all the organs.
  5. To perform toning.

[G. tonos, tone, or a tone]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.