| 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) |
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| 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) |
| stent | <equipment> A tube made of metal or plastic that is inserted into a vessel or passage to keep the lumen open and prevent closure due to a stricture or external compression. Stents are commonly used to keep blood vessels open in the coronary arteries, into the oesophagus for strictures or cancer, the ureters to maintain drainage from the kidneys, or the bile duct for pancreatic cancer or cholangiocarcinoma. The stents are usually inserted under radiological guidance and can be inserted percutaneously. (12 Nov 1998) |
| Stent, C | <person> English dentist, +1901. See: stent, Stent graft. (05 Mar 2000) |
| Stent graft | An inlay skin graft, or a skin graft held in place by a tie-over dressing. (05 Mar 2000) |