Defn: In a diatonic manner.

DIATRIBE
Di"a*tribe, n. Etym: [L. diatriba a learned discussion, Gr. terere,
F. trite: cf. F. diatribe.]

Defn: A prolonged or exhaustive discussion; especially, an
acrimonious or invective harangue; a strain of abusive or railing
language; a philippic.
The ephemeral diatribe of a faction. John Morley.

DIATRIBIST
Di*at"ri*bist, n.

Defn: One who makes a diatribe or diatribes.

DIATRYMA
Di`a*try"ma, n. Etym: [NL., from Gr. (Paleon.)

Defn: An extinct eocene bird from New Mexico, larger than the ostrich.

DIAZEUCTIC; DIAZEUTIC
Di`a*zeuc"tic, Di`a*zeu"tic, a. Etym: [Gr. (Anc. Mus.)

Defn: 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.]

DIAZO-
Di*az"o- (. Etym: [Pref. di- + azo-] (Chem.)