BURNING (2)

Burn″ing, n. The act of consuming by fire or heat, or of subjecting to the effect of fire or heat; the state of being on fire or excessively heated. Burning fluid, any volatile illuminating oil, as the lighter petroleums (naphtha, benzine), or oil of turpentine (camphine), but esp. a mixture of the latter with alcohol. — Burning glass, a convex lens of considerable size, used for producing an intense heat by converging the sun's rays to a focus. — Burning house (Metal.), the furnace in which tin ores are calcined, to sublime the sulphur and arsenic from the pyrites. Weale. — Burning mirror, a concave mirror, or a combination of plane mirrors, used for the same purpose as a burning glass. Syn. — Combustion; fire; conflagration; flame; blaze.