quarter tone

noun Music.

an interval equivalent to half of a semitone.

Origin of quarter tone

First recorded in 1770–80

Words nearby quarter tone

quarter point, quarter rest, quarter round, quarter section, quarter sessions, quarter tone, quarter-bound, quarter-breed, quarter-hoop, quarter-hour, quarter-miler

British Dictionary definitions for quarter tone

quarter tone

noun

music a quarter of a whole tone; a pitch interval corresponding to 50 cents measured on the well-tempered scale