From WordNet (r) 3.0 (2006) [wn]:
Chian
adj 1: of or relating to Chios
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Chian \Chi"an\a. [L. chius, fr. Chios the island Chios, Gr. ?.]
Of or pertaining to Chios, an island in the [AE]gean Sea.
[1913 Webster]
Chian earth, a dense, compact kind of earth, from Chios,
used anciently as an astringent and a cosmetic.
Chian turpentine, a fragrant, almost transparent
turpentine, obtained from the Pistacia Terebinthus.
[1913 Webster]