Mus. [f. Gr. σύντονος (see SYNTONOUS) + -IC] = SYNTONOUS.
Syntonic comma, the common comma (COMMA 3), the difference between a major and a minor tone, or between the major third of the Pythagorean and that of the modern diatonic scale.
1801. Busby, Dict. Mus., Syntonic, the epithet by which Aristoxenus and other ancient musical writers distinguish a species of the diatonic genus, which was nearly the same with our natural diatonic.