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(gls), n.[OE. glas, gles, AS. gls; akin to D., G., Dan., & Sw. glas, Icel. glas, gler, Dan. glar; cf. AS. glr amber, L. glaesum. Cf. Glare, n., Glaze, v. t.] 1. A hard, brittle, translucent, and commonly transparent substance, white or colored, having a conchoidal fracture, and made by fusing together sand or silica with lime, potash, soda, or lead oxide. It is used for window panes and mirrors, for articles of table and culinary use, for lenses, and various articles of ornament. Glass is variously colored by the metallic oxides; thus, manganese colors it violet; copper (cuprous), red, or (cupric) green; cobalt, blue; uranium, yellowish green or canary yellow; iron, green or brown; gold, purple or red; tin, opaque white; chromium, emerald green; antimony, yellow. 2. (Chem.) Any substance having a peculiar glassy appearance, and a conchoidal fracture, and usually produced by fusion. 3. Anything made of glass. Especially: (a) A looking-glass; a mirror. (b) A vessel filled with ru Glass v. t.[imp. & p. p.Glassed (); p. pr. & vb. n.Glassing.] 1. To reflect, as in a mirror; to mirror; -- used reflexively. Happy to glass themselves in such a mirror. Motley. Where the Almighty's form glasses itself in tempests. Byron. 2. To case in glass. [R.] Shak. 3. To cover or furnish with glass; to glaze. Boyle. 4. To smooth or polish anything, as leater, by rubbing it with a glass burnisher. スポンサード リンク
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