Diazeuctic
Diazeuctic , adjective
[Greek {not transcribed} disjunctive, from {not transcribed} to disjoin; dia` through, asunder + {not transcribed} to join, yoke.]
(Anc. Music) 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. [Obsolete]
Also: Diazeutic