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.
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