Base metal

Base metal
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. [1913 Webster]

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. [1913 Webster]

2. Ore from which a metal is derived; -- so called by miners. --Raymond. [1913 Webster]

3. A mine from which ores are taken. [Obs.] [1913 Webster]

Slaves . . . and persons condemned to metals. --Jer. Taylor. [1913 Webster]

4. The substance of which anything is made; material; hence, constitutional disposition; character; temper. [1913 Webster]

Not till God make men of some other metal than earth. --Shak. [1913 Webster]

5. Courage; spirit; mettle. See {Mettle}. --Shak. [1913 Webster]

Note: The allusion is to the temper of the metal of a sword blade. --Skeat. [1913 Webster]

6. The broken stone used in macadamizing roads and ballasting railroads. [1913 Webster]

7. The effective power or caliber of guns carried by a vessel of war. [1913 Webster]

8. Glass in a state of fusion. --Knight. [1913 Webster]

9. pl. The rails of a railroad. [Eng.] [1913 Webster]

{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}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Base metal — Base Base (b[=a]s), a. [OE. bass, F. bas, low, fr. LL. bassus thick, fat, short, humble; cf. L. Bassus, a proper name, and W. bas shallow. Cf. {Bass} a part in music.] 1. Of little, or less than the usual, height; of low growth; as, base shrubs.… …   The Collaborative International Dictionary of English

  • base metal — base metals N VAR A base metal is a metal such as copper, zinc, tin, or lead that is not a precious metal. Ant: precious metal …   English dictionary

  • base metal — noun count a metal that is not worth a lot of money, for example iron ─ compare PRECIOUS METAL …   Usage of the words and phrases in modern English

  • base metal — n [U and C] a metal that is not very valuable, such as iron or lead …   Dictionary of contemporary English

  • base metal — ► NOUN ▪ a common non precious metal such as copper, tin, or zinc …   English terms dictionary

  • Base metal — Base metal. См. Основной металл. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • Base metal — In chemistry, the term base metal is used informally to refer to a metal that oxidizes or corrodes relatively easily, and reacts variably with diluted hydrochloric acid (HCl) to form hydrogen. Examples include iron, nickel, lead and zinc. Copper… …   Wikipedia

  • base metal — noun a metal that is common and not considered precious lead, iron, copper, tin, and zinc are base metals • Hypernyms: ↑metallic element, ↑metal * * * ˌbase ˈmetal [base metal base metals] …   Useful english dictionary

  • base metal — UK / US noun [countable] Word forms base metal : singular base metal plural base metals a metal that is not worth a lot of money, for example iron • See: precious metal …   English dictionary

  • base metal — netaurusis metalas statusas T sritis fizika atitikmenys: angl. base metal vok. Nichtedelmetall, n; unedles Metall, n rus. неблагородный металл, m pranc. métal bas, m; métal pauvre, m; métal vil, m …   Fizikos terminų žodynas

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