metal, mettal, mettall, mettle

& a. [Fr. métal, from Lat. metallum =a mine, metal; Gr. met all on =a pit, a mine, a mineral a meta).] A. As substantive: I. Ordinary Language: 1. Literally: *(1) A mine. "It was impo ible to live without our king, but as slaves live, that is such who are visibly dead, and persons condemned to metals ."-Jer. Taylor: Ductor Dubitantium. (Ep. Dedic.) (2) In the same sense as II. 4. "Where one veine is discovered, there is another alwayes found not far off; which is a rule observed not in mines of silver onely, but also in all others of what mettall soever; and hereupon it seemeth that the Greeks doe call them mettalla ."- P . Holland : Pliny , bk. xxxiii. ch. vi. *2. Fig .: Courage, spirit, mettle. (Now only written mettle .) "Being glad to find their companions had so much metal, after a long debate the major part carried it." IMG:content-1150.png:[blocks in formation] 2. Civil Engineering : IMG:content-1151.png:[blocks in formation] "A distinct, hollow, metallic , and clangorous, yet ap- parently muffled reverberation."-E. A. Poe: Fall of the House of Usher. Bimetallic : Pertaining to or characteristic of Bimetallism. (METAL, 8. ↑ (1).] metallic-barometer, s. A form of metal barom- eter, as contradistinguished from an instrument in which a fluid is employed. Also known as a holosteric barometer. Vid i invented the diaphragm form. [ANEROID.] Bourdon invented the bent-tube form; a flattened, curved, exhausted tube, one end of which is fixed and the other geared to an index- pointer which traverses a graduated arc. Changes of pre ure of the atmosphere affect the curvature of the tube, and so move the finger. Chem. Those elements which po e certain properties in a greater or le degree, such as luster, malleability, ductility, and conductivity for the electric current. The most important are pot as- sium, sodium, magnesium, barium, strontium, cal cium, aluminium, chromium, zinc, manganese, cobalt, nickel, tin, gold, platinum, lead, mercury, silver, copper, cadmium, bismuth, arsenic, and antimony. [ELEMENTS.] IMG:content-1152.png:[blocks in formation] IMG:content-1153.png:[blocks in formation] metallurgist metal by another, as in the case of the deposition of copper from its solution by metallic iron, together with the application of the laws of electricity in the important proce of electro-plating, . mět al-lür-gist, s . [Eng. metallurg (y); -ist ; Fr. métallurgiste .] A worker in metals; one who purifies, refines, and prepares metals for use.