| metagraphy | The art or act of rendering the letters of the alphabet of one language into the possible equivalents of another; transliteration. Origin: Pref. Meta-. Source: Websters Dictionary (01 Mar 1998) |
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| metaherpetic keratitis | A postinfectious corneal inflammation in herpetic keratitis leading to epithelial erosion; not due to virus replication. (05 Mar 2000) |
| metahypophysial diabetes | Diabetes mellitus caused by large quantities of endogenous or exogenous pituitary growth hormone, term used to designate the irreversible phase of diabetes mellitus in acromegaly. (05 Mar 2000) |
| metaicteric | Occurring as a sequel of jaundice. Origin: meta-+ G. Ikterikos, jaundiced (05 Mar 2000) |
| metainfective | Occurring subsequent to an infection; denoting specifically a febrile condition sometimes observed during convalescence from an infectious disease. (05 Mar 2000) |
| metakinesis | Metakinesia Moving apart; the separation of the two chromatids of each chromosome and their movement to opposite poles in the anaphase of mitosis. Origin: meta-+ G. Kinesis, movement (05 Mar 2000) |
| metal | 1. <chemistry> An elementary substance, as sodium, calcium, or copper, whose oxide or hydroxide has basic rather than acid properties, as contrasted with the nonmetals, or metalloids. No sharp line can be drawn between the metals and nonmetals, and certain elements partake of both acid and basic qualities, as chromium, manganese, bismuth, etc. Popularly, the name is applied to certain hard, fusible metals, as gold, silver, copper, iron, tin, lead, zinc, nickel, etc, and also to the mixed metals, or metallic alloys, as brass, bronze, steel, bell metal, etc. 2. Ore from which a metal is derived; so called by miners. 3. A mine from which ores are taken. "Slaves . . . And persons condemned to metals." (Jer. Taylor) 4. The substance of which anything is made; material; hence, constitutional disposition; character; temper. "Not till God make men of some other metal than earth." (Shak) 5. Courage; spirit; mettle. See Mettle. The allusion is to the temper of the metal of a sword blade. 6. The broken stone used in macadamizing roads and ballasting railroads. 7. The effective power or calibre of guns carried by a vessel of war. 8. Glass in a state of fusion. 9. The rails of a railroad. <mathematics> Base metal, an alloy resembling brass, consisting of three parts of copper to one of zinc; also called Prince Rupert's metal. Origin: F. Metal, L. Metallum metal, mine, Gr. Mine; cf. Gr. To search after. Cf. Mettle, Medal. Source: Websters Dictionary (01 Mar 1998) |
| metal base | A metallic portion of a denture base forming a part of the wall of the basal surface of the denture; it serves as a base for the attachment of the plastic (resin) part of the denture and the teeth. (05 Mar 2000) |
| metal ceramic alloys | The fusion of ceramics (porcelain) to an alloy of two or more metals for use in restorative and prosthodontic dentistry. Examples of metal alloys employed include cobalt-chromium, gold-palladium, gold-platinum-palladium, and nickel-based alloys. (12 Dec 1998) |
| metal fume fever | An occupational disease, characterised by malaria-like symptoms, due to inhalation of particles and fumes of metallic oxides. Fumes are formed by evaporation at very high temperature and condensation in air into fine particles. Synonym: brass founder's ague, foundryman's fever, metal fume fever, zinc fume fever. (05 Mar 2000) |
| metal insert teeth | Prosthetic teeth containing metal cutting surfaces in the occlusal surfaces. (05 Mar 2000) |
| metal interface | In dentistry, a boundary between metal and nonsolvent solder, or between metal and surface oxide. (05 Mar 2000) |
| 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) |