WordReference Random House Unabridged Dictionary of American English © 2026
mi•cro•tone
(mī′krə tōn′),USA pronunciation n.
mi′cro•ton′al, adj.
mi′cro•to•nal′i•ty, n.
mi′cro•ton′al•ly, adv.
- Music and Danceany musical interval smaller than a semitone, specifically, a quarter tone.
- micro- + tone 1915–20
mi′cro•to•nal′i•ty, n.
mi′cro•ton′al•ly, adv.