Dī'as-tāl'tic, a.

a. [Gr. διασταλτικός, from διαστέλλειν, to put asunder, to separate, from διά, through, and στέλλειν, to set, put, place.] (Anc. Mus.) Dilated or extended; — said of certain intervals, as the major third, minor sixth, and major seventh.