TOOL n.
An instrument such as a hammer, saw, plane, file, and the like, used in the manual arts, to facilitate mechanical operations; any instrument used by a craftsman or laborer at his work; an implement; as, the tools of a joiner, smith, shoe-maker, etc.; also, a cutter, chisel, or other part of an instrument or machine tha…
TORTOISE n.
cies of sea turtles, especially of the hawkbill turtle. It is used in inlaying and in the manufacture of various ornamental articles. -- Tortoise-shell butterfly (Zoöl.), any one of several species of handsomely colored butterflies of the genus Aglais, as A. Milberti, and A. urticæ, both of which, in the larva state,…
TOWER n.
d Glover's tower, below. -- Glover's tower (Chem.), a large tower or chamber used in the manufacture of sulphuric acid, to condense the crude acid and to deliver concentrated acid charged with nitrous fumes. These fumes, as a catalytic, effect the conversion of sulphurous to sulphuric acid. See Sulphuric acid, under S…
TURN v.
o pasture, as cattle or horses. (c) To produce, as the result of labor, or any process of manufacture; to furnish in a completed state. (d) To reverse, as a pocket, bag, etc., so as to bring the inside to the outside; hence, to produce. (e) To cause to cease, or to put out, by turning a stopcock, valve, or the like; as…
UNCIAL a.
Of, pertaining to, or designating, a certain style of letters used in ancient manuscripts, esp. in Greek and Latin manuscripts. The letters are somewhat rounded, and the upstrokes and downstrokes usually have a slight inclination. These letters were used as early as the 1st century b. c., and were seldom used after the…