(obsolete) A milled sixpence.

(music) a chord with the tonic, lowered submediant, lowered mediant, and raised subdominant scale degrees

plural of Italian augmented sixth chord

(music) a chord with the tonic, lowered submediant, and raised subdominant scale degrees

(music) a chord with the tonic, supertonic, lowered submediant, and raised subdominant scale degrees

plural of German augmented sixth chord

(music) a chord that contains a lowered submediant scale degree and a raised subdominant scale degree

plural of French augmented sixth chord

plural of augmented sixth chord

A compound or twin crystal consisting of six individuals.