Definition of dominant seventh in English:

dominant seventh

Syllabification: dom·i·nant sev·enth

noun

Music
  • The common chord of the dominant note in a key, plus the minor seventh from that note (e.g., in the key of C, a chord of G-B-D-F). It is important in conventional harmony, as it naturally resolves to the tonic or subdominant.
    More example sentences
    • This is an odd turn of events, since it wasn't all that long ago that the phrase ‘musical meaning’ either referred to formal properties - is this chord a dominant seventh or a German sixth, and how do we know?
    • When one reduces the musical texture to its harmonic frame, four dominant seventh chords remain, of which only the last one is resolved in G minor.
    • The noble falling fourths, echoed by the piano, re-establish the tonic key unambiguously, the bass triads wavering between tonic D majors and first inversions of the dominant seventh.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody