Tristan-chord Definition

noun

(music) A chord in musical composition consisting originally of the notes F, B, D# and G# which can be translated more generally in intervalic terms as: augmented fourth, augmented sixth and augmented ninth above a root. Enharmonically it sounds like a half-diminished seventh chord (e.g. F-A♭-C♭-E♭), though in terms of musical analysis it can be interpreted in several ways.

Wiktionary

Other Word Forms of Tristan-chord

Noun

Singular:

tristan-chord

Plural:

tristan-chords

Origin of Tristan-chord

It is a reference to the chord used in the opening phrase of Richard Wagner's opera Tristan and Isolde as part of the leitmotif attributed to the character Tristan.

From Wiktionary