IRON n.
The most common and most useful metallic element, being of almost universal occurrence, usually in the form of an oxide (as hematite, magnetite, etc.), or a hydrous oxide (as limonite, turgite, etc.). It is reduced on an enormous scale in three principal forms; viz., cast iron, steel, and wrought iron. Iron usually app…
JAPAN a.
an clover, or Japan pea (Bot.), a cloverlike plant (Lespedeza striata) from Eastern Asia, useful for fodder, first noticed in the Southern United States about 1860, but now become very common. During the Civil War it was called variously Yankee clover and Rebel clover. -- Japan earth. See Catechu. -- Japan ink, a kin…
LABOR n.
navoidable, in distinction from sportive exercise; hard, muscular effort directed to some useful end, as agriculture, manufactures, and like; servile toil; exertion; work. God hath set Labor and rest, as day and night, to men Successive. Milton.
MECHANICAL a.
roximate; empirical. See the 2d Note under Geometric. Mechanical effect, effective power; useful work exerted, as by a machine, in a definite time. -- Mechanical engineering. See the Note under Engineering. -- Mechanical maneuvers (Mil.), the application of mechanical appliances to the mounting, dismounting, and movi…