Flashing point

Flashing point
Flashing Flash"ing, n. 1. (Engineering) The creation of an artifical flood by the sudden letting in of a body of water; -- called also {flushing}. [1913 Webster]

2. (Arch.) Pieces of metal, built into the joints of a wall, so as to lap over the edge of the gutters or to cover the edge of the roofing; also, similar pieces used to cover the valleys of roofs of slate, shingles, or the like. By extension, the metal covering of ridges and hips of roofs; also, in the United States, the protecting of angles and breaks in walls of frame houses with waterproof material, tarred paper, or the like. Cf. {Filleting}. [1913 Webster]

3. (Glass Making) (a) The reheating of an article at the furnace aperture during manufacture to restore its plastic condition; esp., the reheating of a globe of crown glass to allow it to assume a flat shape as it is rotated. (b) A mode of covering transparent white glass with a film of colored glass. --Knight. [1913 Webster]

{Flashing point} (Chem.), that degree of temperature at which a volatile oil gives off vapor in sufficient quantity to burn, or flash, on the approach of a flame, used as a test of the comparative safety of oils, esp. kerosene; a flashing point of 100[deg] F. is regarded as a fairly safe standard. The burning point of the oil is usually from ten to thirty degree above the flashing point of its vapor. Usually called {flash point}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • flashing point — noun see flash point I, 1 * * * Physical Chem. See flash point (def. 1). [1875 80] * * * flashing point, = flash point (def. 1). (Cf. ↑flash point) …   Useful english dictionary

  • flashing point — Flash point Flash point , n. 1. the lowest temperature at which the vapors given off by a volatile liquid exposed to air will burst into flame when approached by a flame. Also called {flashing point}. [PJC] 2. That point in time or that degree of …   The Collaborative International Dictionary of English

  • flashing point — Physical Chem. See flash point (def. 1). [1875 80] * * * …   Universalium

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  • Flashing — Flash ing, n. 1. (Engineering) The creation of an artifical flood by the sudden letting in of a body of water; called also {flushing}. [1913 Webster] 2. (Arch.) Pieces of metal, built into the joints of a wall, so as to lap over the edge of the… …   The Collaborative International Dictionary of English

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