Defn: Of or pertaining to the class Diandria; having two stamens.

DIANIUM
Di*a"ni*um, n. Etym: [NL., fr. L. Diana; either as the name of the
Roman goddess, or from its use in OE. as a name of silver.] (Chem.)

Defn: Same as Columbium. [Obs.]

DIANOETIC
Di`a*no*et"ic, a. Etym: [Gr. (Metaph.)

Defn: Pertaining to the discursive faculty, its acts or products. I would employ . . . dianoetic to denote the operation of the discursive, elaborative, or comparative faculty. Sir W. Hamilton.

DIANOIALOGY
Di`a*noi*al"o*gy, n. Etym: [Gr. -logy.]

Defn: The science of the dianoetic faculties, and their operations.
Sir W. Hamilton.

DIANTHUS
Di*an"thus, n. Etym: [NL., fr. Gr. (Bot.)

Defn: A genus of plants containing some of the most popular of cultivated flowers, including the pink, carnation, and Sweet William.

DIAPASE
Di"a*pase, n.