( a. )
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.
( a. )
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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012