{ , n. [ Gr. kako`s bad + &unr_;&unr_;&unr_;&unr_;&unr_; guest. ] (Min.) A hydrous phosphate of iron occurring in yellow radiated tufts. The phosphorus seriously injures it as an iron ore. [ 1913 Webster ]

n. [ Gr. "e`x six.] (Chem.) Same as Hexylene. [1913 Webster]

n. See Cacoxene. [ 1913 Webster ]

n. [ Leuco- + Gr. xe`nos stranger. ] (Min.) A nearly opaque white mineral, in part identical with titanite, observed in some igneous rocks as the result of the alteration of titanic iron. [ 1913 Webster ]

n. [ Cf. &unr_;; &unr_; before + &unr_; a guest, stranger: cf. F. proxène. ] (Gr. Antiq.) An officer who had the charge of showing hospitality to those who came from a friendly city or state. [ 1913 Webster ]

n. [ L. proxeneta, Gr. &unr_;. ] A negotiator; a factor. [ R. ] Dr. H. More. [ 1913 Webster ]

n. [ Gr. &unr_; agent + -ism; cf. F. proxénétisme. ] The action of a go-between or broker in negotiating immoral bargains between the sexes; procuring. [ Webster 1913 Suppl. ]

n. [ F. pyroxène, from Gr. &unr_; fire + &unr_; a stranger; -- so called because it was supposed to the be a stranger, or of rare occurrence, in igneous rocks, ] (Min.) A common mineral occurring in monoclinic crystals, with a prismatic angle of nearly 90°, and also in massive forms which are often laminated. It varies in color from white to dark green and black, and includes many varieties differing in color and composition, as diopside, malacolite, salite, coccolite, augite, etc. They are all silicates of lime and magnesia with sometimes alumina and iron. Pyroxene is an essential constituent of many rocks, especially basic igneous rocks, as basalt, gabbro, etc. [ 1913 Webster ]

☞ The pyroxene group contains pyroxene proper, also the related orthorhombic species, enstatite, bronzite, hypersthene, and various monoclinic and triclinic species, as rhodonite, etc. [ 1913 Webster ]

n. [ Thiophene + xylene. ] (Chem.) Any one of three possible metameric substances, which are dimethyl derivatives of thiophene, like the xylenes from benzene. [ 1913 Webster ]

‖n. [ NL., from Gr. xenhlasi`a expulsion of strangers. ] (Gr. Antiq.) A Spartan institution which prohibited strangers from residing in Sparta without permission, its object probably being to preserve the national simplicity of manners. [ 1913 Webster ]