English Explanatory Dictionary

major third

English dictionary entry

Meanings

noun
  1. A musical interval in Western music that is equal to or approximates a frequency ratio of 5/4. In twelve-tone equal temperament, it consists of four standard semitones, spans three degrees of the diatonic scale, and is enharmonically equivalent to a diminished fourth. Major scales are so named because of the major third interval between the tonic and mediant of a major tonic triad.

Word forms

major third major thirds

Related words

M3 minor third diminished fourth perfect fifth tonic
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