ドミナントセブンス

noun

dominant seventh chord

Music theory term. The chord built on the fifth degree of a scale, consisting of a major triad plus a minor seventh.

See also: 属七

• この曲きょくの終おわりはドミナントセブンスからトニックに解かい決けつする。

  The end of this piece resolves from a dominant seventh to the tonic.