資料來源 : pyDict
金屬,金屬製品,合金,本質,質料金屬制的以金屬覆蓋
資料來源 : Webster's Revised Unabridged Dictionary (1913)
Metal \Met"al\ (? or ?; 277), n. [F. m['e]tal, L. metallum
metal, mine, Gr. ? mine; cf. Gr. ? to search after. Cf.
{Mettle}, {Medal}.]
1. (Chem.) 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.
Note: 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.
--Raymond.
3. A mine from which ores are taken. [Obs.]
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}. --Shak.
Note: The allusion is to the temper of the metal of a sword
blade. --Skeat.
6. The broken stone used in macadamizing roads and ballasting
railroads.
7. The effective power or caliber of guns carried by a vessel
of war.
8. Glass in a state of fusion. --Knight.
9. pl. The rails of a railroad. [Eng.]
{Base metal} (Chem.), any one of the metals, as iron, lead,
etc., which are readily tarnished or oxidized, in contrast
with the noble metals. In general, a metal of small value,
as compared with gold or silver.
{Fusible metal} (Metal.), a very fusible alloy, usually
consisting of bismuth with lead, tin, or cadmium.
{Heavy metals} (Chem.), the metallic elements not included in
the groups of the alkalies, alkaline earths, or the
earths; specifically, the heavy metals, as gold, mercury,
platinum, lead, silver, etc.
{Light metals} (Chem.), the metallic elements of the alkali
and alkaline earth groups, as sodium, lithium, calcium,
magnesium, etc.; also, sometimes, the metals of the
earths, as aluminium.
{Muntz metal}, an alloy for sheathing and other purposes,
consisting of about sixty per cent of copper, and forty of
zinc. Sometimes a little lead is added. It is named from
the inventor.
{Prince's metal} (Old Chem.), an alloy resembling brass,
consisting of three parts of copper to one of zinc; --
also called {Prince Rupert's metal}.
Metal \Met"al\, v. t. [imp. & p. p. {Metaled} (? or ?) or
{Metalled}; p. pr. & vb. n. {Metaling} or {Metalling}.]
To cover with metal; as, to metal a ship's bottom; to metal a
road.
資料來源 : WordNet®
metal
v : cover with metal
[also: {metalling}, {metalled}]
metal
adj : containing or made of or resembling or characteristic of a
metal; "a metallic compound"; "metallic luster"; "the
strange metallic note of the meadow lark, suggesting
the clash of vibrant blades"- Ambrose Bierce [syn: {metallic},
{metal(a)}] [ant: {nonmetallic}]
[also: {metalling}, {metalled}]
metal
n 1: any of several chemical elements that are usually shiny
solids that conduct heat or electricity and can be
formed into sheets etc. [syn: {metallic element}]
2: a mixture containing two or more metallic elements or
metallic and nonmetallic elements usually fused together
or dissolving into each other when molten; "brass is an
alloy of zinc and copper" [syn: {alloy}]
[also: {metalling}, {metalled}]
資料來源 : Free On-Line Dictionary of Computing
METAL
1. Mega-Extensive Telecommunications Applications Language.
BBS language for PRODOS 8 on Apple II.
2. The syntax-definition formalism of the Mentor system.
Metal specifications are compiled to specifications for a
scanner/parser generator such as Lex/Yacc. "Metal: A
Formalism to Specify Formalisms", G. Kahn et al, Sci Comp
Prog 3:151-188 (1983).