major third

Fetched 2026-10-26 (cache).

Synonyms: minor third, major triad, major thirds, major chord

Antonyms: minor third, major triad, major thirds, major chord

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|music}} 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 [[semitone|semitones]], spans three degrees of the [[diatonic scale]], and is [[enharmonically]] equivalent to a [[diminished fourth]]. [[major scale|Major scales]] are so named because of the major third interval between the [[tonic]] and [[mediant]] of a [[major]] [[tonic triad]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.