| calcium carbide | CaC2;blackish crystalline lumps which when in contact with water yield acetylene gas. (05 Mar 2000) |
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| carbide | A compound of carbon with an element more electropositive than itself; e.g., CaC2, calcium carbide. (05 Mar 2000) |
| metallic | 1. Of or pertaining to a metal; of the nature of metal; resembling metal; as, a metallic appearance; a metallic alloy. 2. <chemistry> Of, pertaining to, or characterised by, the essential and implied properties of a metal, as contrasted with a nonmetal or metalloid; basic; antacid; positive. Metallic iron, iron in the state of the metal, as distinquished from its ores, as magnetic iron. Metallic paper, paper covered with a thin solution of lime, whiting, and size. When written upon with a pewter or brass pencil, the lines can hardly be effaced. <medicine> Metallic tinking, a sound heard in the chest, when a cavity communicating with the air passages contains both air and liquid. Origin: L. Metallicus, fr. Metallum: cf. F. Metallique. See Metal. Source: Websters Dictionary (01 Mar 1998) |
| metallic rale | A rale of metallic quality caused by resonance in a large cavity. (05 Mar 2000) |
| metallic tremor | A tremor caused by poisoning with metal. (05 Mar 2000) |
| tungsten carbide | <chemical> One of the hardest known materials, used as an abrasive and in the manufacture of dental cutting instruments. (05 Mar 2000) |