scoria
131Scum — (sk[u^]m), n. [Of Scand. origin; cf. Dan. & Sw. skum, Icel. sk[=u]m, LG. schum, D. schuim, OHG. sc[=u]m, G. schaum; probably from a root meaning, to cover. [root]158. Cf. {Hide} skin, {Meerschaum}, {Skim}, v., {Sky}.] [1913 Webster] 1. The… …
132Slag — (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… …
