Slag Slag (sl[a^]g), n. [Sw. slagg, or LG. slacke, whence G. schlacke; originally, perhaps, the splinters struck off from the metal by hammering. See {Slay}, v. t.] 1. The dross, or recrement, of a metal; also, vitrified cinders. [1913 Webster]

2. The scoria of a volcano. [1913 Webster]

3. (Metal.) A product of smelting, containing, mostly as silicates, the substances not sought to be produced as matte or metal, and having a lower specific gravity than the latter; -- called also, esp. in iron smelting, {cinder}. The slag of iron blast furnaces is essentially silicate of calcium, magnesium, and aluminium; that of lead and copper smelting furnaces contains iron. [Webster 1913 Suppl.]

{Slag furnace}, or {Slag hearth} (Metal.), a furnace, or hearth, for extracting lead from slags or poor ore.

{Slag wool}, mineral wool. See under {Mineral}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • Slag — is the by product of smelting ore to purify metals. They can be considered to be a mixture of metal oxides; however, they can contain metal sulfides (see also matte) and metal atoms in the elemental form. While slags are generally used as a waste …   Wikipedia

  • slag — slag; slag·ger; slag·gy; slag·less; slag·man; slag·less·ness; …   English syllables

  • slag — sb., et, slag, ene, i sms. slag , fx slaglængde, slagteknik; slag i slag; et slag på tasken …   Dansk ordbog

  • Slag — es un personaje ficticio del universo de Transformers el es un miembro de los Autobots del grupo de los Dinobots y su modo alterno es un Triceratops. Historia Slag pertenece al grupo de los Dinobots junto con Grimlock su lider, Sludge, Swoop y… …   Wikipedia Español

  • slag — [slag] n. [< MLowG slagge (> Ger schlacke) < slagen, to strike: for IE base see SLAY] 1. the fused refuse or dross separated from a metal in the process of smelting 2. lava resembling this 3. [Slang, Chiefly Brit.] a) a worthless,… …   English World dictionary

  • Slag — Slag, v. i. & t. [imp. & p. p. {Slagged}; p. pr. & vb. n. {Slagging}.] (Metal.) To form, or form into, a slag; to agglomerate when heated below the fusion point. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • slag — ► NOUN 1) stony waste matter separated from metals during the smelting or refining of ore. 2) Brit. informal, derogatory a promiscuous woman. ► VERB (slagged, slagging) 1) (usu. as noun slagging) produce deposits of slag. 2) …   English terms dictionary

  • slag|gy — «SLAG ee», adjective, gi|er, gi|est. of, like, or having to do with slag …   Useful english dictionary

  • slag- — *slag , *slah germ.?, Verb: nhd. feucht sein ( Verb); ne. be (Verb) damp; Rekontruktionsbasis: an.; Etymologie: s. ing. *sk̑lēk , *sk̑lək , Adjektiv …   Germanisches Wörterbuch

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