perfect twelfths

A form of perfect twelfth — The interval between the first and third harmonics of the harmonic series. In twelve-tone equal temperament, it spans nineteen semitones or twelve degrees of the diatonic scale.

Meanings

noun
  1. pluralplural of perfect twelfth
Cite this entry
APA

perfect twelfths. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/perfect%20twelfths

MLA

“perfect twelfths.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/perfect%20twelfths. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “perfect twelfths,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/perfect%20twelfths.

Source: perfect twelfths on Wiktionary, CC BY-SA 4.0.