%diazeutic%

{ } a. [ Gr. &unr_; disjunctive, fr. &unr_; to disjoin; dia` through, asunder + &unr_; to join, yoke. ] (Anc. Mus.) Disjoining two fourths; as, the diazeutic tone, which, like that from F to G in modern music, lay between two fourths, and, being joined to either, made a fifth. [ Obs. ] [ 1913 Webster ]