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The Collaborative International Dictionary
Flashing

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.

  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)

    1. 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.

    2. 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. Usually called flash point.

Flashing

Flash \Flash\ (fl[a^]sh), v. i. [imp. & p. p. Flashed (fl[a^]sht); p. pr. & vb. n. Flashing.] [Cf. OE. flaskien, vlaskien to pour, sprinkle, dial. Sw. flasa to blaze, E. flush, flare.]

  1. To burst or break forth with a sudden and transient flood of flame and light; as, the lighting flashes vividly; the powder flashed.

  2. To break forth, as a sudden flood of light; to burst instantly and brightly on the sight; to show a momentary brilliancy; to come or pass like a flash.

    Names which have flashed and thundered as the watch words of unnumbered struggles.
    --Talfourd.

    The object is made to flash upon the eye of the mind.
    --M. Arnold.

    A thought flashed through me, which I clothed in act.
    --Tennyson.

  3. To burst forth like a sudden flame; to break out violently; to rush hastily.

    Every hour He flashes into one gross crime or other.
    --Shak.

    flash in the pan, a failure or a poor performance, especially after a normal or auspicious start; also, a person whose initial performance appears augur success but who fails to achieve anything notable. From 4th pan, n., sense 3 -- part of a flintlock. Occasionally, the powder in the pan of a flintlock would flash without conveying the fire to the charge, and the ball would fail to be discharged. Thus, a good or even spectacular beginning that eventually achieves little came to be called a flash in the pan.

    To flash in the pan, to fail of success, especially after a normal or auspicious start. [Colloq.] See under Flash, a burst of light.
    --Bartlett.

    Syn: Flash, Glitter, Gleam, Glisten, Glister.

    Usage: Flash differs from glitter and gleam, denoting a flood or wide extent of light. The latter words may express the issuing of light from a small object, or from a pencil of rays. Flash differs from other words, also, in denoting suddenness of appearance and disappearance. Flashing differs from exploding or disploding in not being accompanied with a loud report. To glisten, or glister, is to shine with a soft and fitful luster, as eyes suffused with tears, or flowers wet with dew.

Douglas Harper's Etymology Dictionary
flashing

1540s, of light; present participle adjective from flash (v.).

flashing

1791, "act of creating an artificial flood," verbal noun from flash (v.); also compare flash (n.2)). Meaning "indecent exposure" is by 1968 (see flasher). The meaning "strip of metal used in roofing, etc." is from 1782, earlier simply flash (1570s), but the sense connection is unclear and it might be an unrelated word.

Wiktionary
flashing

n. 1 (context roofing English) Components used to weatherproof or seal roof system edges at perimeters, penetrations, walls, expansion joints, valleys, drains and other places where the roof covering is interrupted or terminated. 2 The process of getting rid of gaps on shelves by bringing products from the back of the shelf to the front to create a 'fuller' shelf. 3 The blinking of a light source, such as a light bulb or computer's cursor. 4 The exposing of one's naked body, or part of it, in public briefly (the action of the verb '''to flash'''). vb. (present participle of flash English)

WordNet
flashing
  1. adj. emitting light in sudden short or intermittent bursts; "flashing lightning and roaring thunder"

  2. n. a short vivid experience; "a flash of emotion swept over him"; "the flashings of pain were a warning" [syn: flash]

  3. sheet metal shaped and attached to a roof for strength and weatherproofing

Wikipedia
Flashing

Flashing may refer to:

Flashing (weatherproofing)

Flashing refers to thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a weather resistant barrier (WRB) system.

Flashing (horse)

Flashing was foaled in March 2006 and is a graded stakes winner for Godolphin Stable. She is trained by Saeed bin Suroor. She has won the Test Stakes and the Gazelle Stakes

Flashing (cinematography)

In cinematography and photography, flashing is the exposure of the film or digital sensors to uniform light prior to exposing it to the scene. It is used as a method of contrast control to bring out detail in darker areas, this adds a bias to the overall light input recorded by the sensor. When used for artistic effects, it can be used to add a colour cast to shadows without significantly affecting highlights. Flashing is usually described as a percentage of exposure increase to the film's base fog level. While the flash itself is often a neutral color temperature, the flash exposure could be any color: the color of the flash will be imbued disproportionately into the shadows of the image.

Usage examples of "flashing".

Deputy Dave Saunders had an iron grip on the wheel and a determined set in his jaw as he drove his squad car through Abney, lights flashing, and veered onto Service Road 221.

Small boys came running to roadsides to watch the lines of riders all ajingle on their tall chargers, the pennons fluttering at the sparkling steel tips of the long, polished lances of ashwood, sunbeams flashing from plumed helmets, cuirasses and hilts of sabers and dirks.

Gretel and Lena, the Alsatian sisters, all smiles and dimples, their ringlets flashing as they fluttered to and fro between the tables and the kitchen hatch.

It was an old trick, and it always worked: Two slappers came by, hollering and shouting at the boys inside, flashing their arses and working parts.

Havel feinted low to draw shield and attention, then attacked with a running step, backsword flashing in a looping circle.

His tent was soon pitched, the night fires soon crackling, and himself seated at one with the Sheikh and Baroni, he beheld with interest and amusement the picturesque and flashing groups around him.

As I sat down in a student desk the police had commandeered more classrooms I nodded amiably at her attendant constable, a Geordie whose hair was the colour of the flashing part of a Belisha beacon.

The fog appeared less menacing on the main road than it had in the unlit graveyard, though the high amber street-lights and the flashing Belisha beacons at the zebra crossing looked like the Martian machines out of War of the Worlds.

When the last of the Warriors had launched from the bay, Starbuck gazed out through the launch aperture at the laser blasts flashing back and forth between Cylon Raiders and Colonial Vipers and felt a terrible hopelessness overcome him.

As he concluded, with a loud bang the door of the vault flew open, and there in blue light stood Bluebeard in his blue uniform, waving his blue sword, and flashing his blue eyes round about!

Davis kept smiling hard at me, flashing her gold bridgework and stretching her shiny vinyl cheeks.

As the victim screamed his last, the giant, quick as lightning, spun the broadaxe in a flashing circle about his head and with one hand brought the blade down with a mighty stroke.

Nancy Medbury, turning on the cowering brownette, her eyes flashing righteous anger.

Its dipping, crescent browpiece gleamed, flashing in the darting firelight.

Officer Handy was coming down the hill behind them, sirens on, red bubblegum machine lights on top whirling away, flashing red and white.