MATCH n.
ubstance which takes fire readily, or remains burning some time; esp., a small strip or splint of wood dipped at one end in a substance which can be easily ignited by friction, as a preparation of phosphorus or chlorate of potassium. Match box, a box for holding matches. -- Match tub, a tub with a perforated cover for…
MILL n.
A pugilistic. [Cant] R. D. Blackmore. Edge mill, Flint mill, etc. See under Edge, Flint, etc. -- Mill bar (Iron Works), a rough bar rolled or drawn directly from a bloom or puddle bar for conversion into merchant iron in the mill. -- Mill cinder, slag from a puddling furnace. -- Mill head, the head of water employed…
NIAGARA PERIOD n.
A subdivision or the American Upper Silurian system, embracing the Medina, Clinton, and Niagara epoch. The rocks of the Niagara epoch, mostly limestones, are extensively distributed, and at Niagara Falls consist of about eighty feet of shale supporting a greater thickness of limestone, which is gradually undermined by…
PLEDGET n.
A compress, or small flat tent of lint, laid over a wound, ulcer, or the like, to exclude air, retain dressings, or absorb the matter discharged.
PRISM n.
tances which have unequal dispersive powers, as two different kinds of glass, especially flint glass and crown glass, the difference of dispersive power being compensated by giving them different refracting angles, so that, when placed together so as to have opposite relative positions, a ray of light passed through th…
SCAGLIOLA n.
ely ground gypsum mixed with glue, the surface of which, while soft, is variegated with splinters of marble, spar, granite, etc., and subsequently colored and polished.