Chī'an, a.

a. [Lat. Chius, -a, -um, from Chios, Chius.] (Geog.) Pertaining to Chios, an island in the Ægean Sea, or Grecian Archipelago.

Chian earth, a medicinal, dense, compact kind of earth, from Chios, used anciently as an astringent and a cosmetic.