| metal interface | In dentistry, a boundary between metal and nonsolvent solder, or between metal and surface oxide. (05 Mar 2000) |
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| metalammonium | <chemistry> A hypothetical radical derived from ammonium by the substitution of metallic atoms in place of hydrogen. Origin: Metal + ammonium. Source: Websters Dictionary (01 Mar 1998) |
| metalbumin | <physiology> A form of albumin found in ascitic and certain serous fluids. It is sometimes regarded as a mixture of albumin and mucin. Origin: Pref. Met- + albumin. Source: Websters Dictionary (01 Mar 1998) |
| metaldehyde | <chemistry> A white crystalline substance isomeric with, and obtained from, acetic aldehyde by polymerization, and reconvertible into the same. Origin: Pref. Met- + aldehyde. Source: Websters Dictionary (01 Mar 1998) |
| metalepsy | <chemistry> Exchange; replacement; substitution; metathesis. Source: Websters Dictionary (01 Mar 1998) |
| metaleptic | 1. Of or pertaining to a metalepsis. 2. Transverse; as, the metaleptic motion of a muscle. 3. <chemistry> Of, pertaining to, concerned in, or occurring by, metalepsy. Origin: Gr. Source: Websters Dictionary (01 Mar 1998) |
| 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) |
| metalline | <chemistry> Pertaining to, or resembling, a metal; metallic; as, metalline properties. Impregnated with metallic salts; chalybeate; as, metalline water. Origin: Cf. F. Metallin. <chemistry> A substance of variable composition, but resembling a soft, dark-coloured metal, used in the bearings of machines for obviating friction, and as a substitute for lubricants. Source: Websters Dictionary (01 Mar 1998) |
| metallo- | Metal, metallic. Origin: see metal (05 Mar 2000) |
| metallochrome | A colouring produced by the deposition of some metallic compound; specifically, the prismatic tints produced by depositing a film of peroxide of lead on polished steel by electricity. See: Metallochromy. Source: Websters Dictionary (01 Mar 1998) |
| metallocyanide | A compound of cyanogen with a metal forming an ionic radical that combines with a basic element to form a salt; e.g., potassium ferricyanide, K3Fe(CN)6. (05 Mar 2000) |
| metalloenzyme | <enzyme> An enzyme that contains a bound metal ion as part of its structure. The metal may be required for enzymic activity, either participating directly in catalysis or stabilising the active conformation of the protein. (18 Nov 1997) |
| metalloflavodehydrogenase | A type of oxidizing enzyme, containing one of the flavin nucleotides as coenzyme, plus a metal ion that is also necessary to the action; the metal may be Fe (as in succinate dehydrogenase), Cu (as in urate oxidase), or Mo (as in xanthine oxidase). (05 Mar 2000) |