Just intonation Meaning, Definition & Usage

Definitions
  1. . (Mus.) (a) The correct sounding of notes or intervals; true pitch . (b) The giving all chords and intervals in their purity or their exact mathematical ratio, or without temperament; a process in which the number of notes and intervals required in the various keys is much greater than the twelve to the octave used in systems of temperament.

Webster 1913