Definitions for: Flashing


[n] sheet metal shaped and attached to a roof for strength and weatherproofing
[n] a short vivid experience; "a flash of emotion swept over him"; "the flashings of pain were a warning"
[adj] emitting light in sudden short or intermittent bursts; "flashing lightning and roaring thunder"



Webster (1913) Definition: Flash"ing, n.
1. (Engineering) The creation of an artifical flood by the
sudden letting in of a body of water; -- called also
flushing.

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.

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.

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.

Synonyms: bright, flash

See Also: experience, sheet metal

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