| slovo | definícia |
Burning glass
(gcide) | 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
excessively heated.
[1913 Webster]
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.
[1913 Webster]
Syn: Combustion; fire; conflagration; flame; blaze.
[1913 Webster] |
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