{ Di`a*zeuc"tic (?), Di`a*zeu"tic (?), }
a. [Gr. ? disjunctive, fr. ? to disjoin;
dia` through, asunder + ? 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.]