The DICT Development Group
1 definition found
for Burning glass
From The Collaborative International Dictionary of English v.0.48 :
Burning \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
Burning fluid, any volatile illuminating oil, as the
lighter petroleums (naphtha, benzine), or oil of
turpentine (camphine), but esp. a mixture of the latter
Burning glass, a convex lens of considerable size, used for
producing an intense heat by converging the sun's rays to
Burning house (Metal.), the furnace in which tin ores are
calcined, to sublime the sulphur and arsenic from the
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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