DIANÆ ARBOR, or ARBOR LUNÆ, in Chemistry, the beautiful arboreal form of silver, dissolved in nitric acid, and precipitated by another metal; so called from its resembling the trunk, branches, leaves, &c. of a tree. See Chemistry Index.

DIANÆ Fanum, in Ancient Geography, a promontory of Bithynia: now Scutari, a citadel opposite to Constantinople, on the east side of the Bosphorus Thracius.

DIANÆ Portus, a port of Corsica, situated between Aleria and Mariana, on the east side.