nDitone(Mus) The Greek major third, which comprehend two major tones (the modern major third contains one major and one minor whole tone).
Century Dictionary and Cyclopedia
nditoneIn Greek music, the interval formed by adding together two major tones; a Pythagorean major third, having the ratio 81:64, which is a comma greater than a true major third. The use of this tuning of the major third until about the twelfth century prevented its recognition till that time as a consonance.
Chambers's Twentieth Century Dictionary
nDitonedī′tōn an interval containing two tones, a major third.
Webster's Revised Unabridged Dictionary
Gr. of two tones; di- = di`s- twice + tone
Diton, Carl, 132, 152.
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