SELF-HARDENING a.
a blast of cold air with moderate rapidity, without quenching. Such steels are alloys of iron and carbon with manganese, tungsten and manganese, chromium, molybdenum and manganese, etc. They are chiefly used as high-speed steels. -- Self`-hard"en*ed, a.
SHINGLING n. 2 definitions
ling scoriæ and other impurities by hammering and squeezing, in the production of wrought iron. Shingling hammer, a ponderous hammer moved by machinery, used in shingling puddled iron. -- Shingling mill, a mill or forge where puddled iron is shingled.
SHOOTING a. 4 definitions
gallery, a range, usually covered, with targets for practice with firearms. -- Shooting iron, a firearm. [Slang, U.S.] -- Shooting star. (a) (Astron.) A starlike, luminous meteor, that, appearing suddenly, darts quickly across some portion of the sky, and then as suddenly disappears, leaving sometimes, for a few seco…