(Me*tal"lo*graph) n. [L. metallum metal + -graph.] A print made by metallography.

(Me*tal`lo*graph"ic) a. Pertaining to, or by means of, metallography.

(Met`al*log"ra*phist) n. One who writes on the subject of metals.

(Met`al*log"ra*phy) n. [L. metallum metal + -graphy: cf. F. métallographie.]

1. The science or art of metals and metal working; also, a treatise on metals.

2. A method of transferring impressions of the grain of wood to metallic surfaces by chemical action. Knight.

3. A substitute for lithography, in which metallic plates are used instead of stone. Knight.

(Met"al*loid) n. [L. metallum metal + -oid: cf. F. métalloïde.] (a) Formerly, the metallic base of a fixed alkali, or alkaline earth; — applied by Sir H. Davy to sodium, potassium, and some other metallic substances whose metallic character was supposed to be not well defined. (b) Now, one of several elementary substances which in the free state are unlike metals, and whose compounds possess or produce acid, rather than basic, properties; a nonmetal; as, boron, carbon, phosphorus, nitrogen, oxygen, sulphur, chlorine, bromine, etc., are metalloids.

(Met"al*loid), a.

1. Having the appearance of a metal.

2. (Chem.) Having the properties of a nonmetal; nonmetallic; acid; negative.

(Met`al*loid"al) a. Metalloid.

(Met`al*lor*gan"ic) a. Metalorganic.

(Me*tal`lo*ther"a*py) n. [L. metallum metal + E. therapy.] (Med.) Treatment of disease by applying metallic plates to the surface of the body.

(Met`al*lur"gic Met`al*lur"gic*al) a. [Cf. F. métallurgique.] Of or pertaining to metallurgy.

(Met"al*lur`gist) n. [Cf. F. métallurgiste.] One who works in metals, or prepares them for use; one who is skilled in metallurgy.

(Met"al*lur`gy) n. [F. métallurgie, fr. L. metallum metal, Gr. a mine + the root of work. See Metal, and Work.] The art of working metals, comprehending the whole process of separating them from other matters in the ore, smelting, refining, and parting them; sometimes, in a narrower sense, only the process of extracting metals from their ores.

(Met"al*man) n.; pl. Metalmen A worker in metals.

(Met`a*log"ic*al) a. Beyond the scope or province of logic.

(Met`al*or*gan"ic) a. [Metal, L. metallum + E. organic.] (Chem.) Pertaining to, or denoting, any one of a series of compounds of certain metallic elements with organic radicals; as, zinc methyl, sodium ethyl, etc. [Written also metallorganic.]

(Met"a*mer) n. [See Metamere.] (Chem.) Any one of several metameric forms of the same substance, or of different substances having the same composition; as, xylene has three metamers, viz., orthoxylene, metaxylene, and paraxylene.

  By PanEris using Melati.

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