a brief, sudden burst of bright light:
a flash of lightning.
a sudden, brief outburst or display of joy, wit, etc.
a very brief moment; instant:
I’ll be back in a flash.
Informal. (def 1).
superficial, meretricious, or vulgar showiness; ostentatious display.
Also called news flash. Journalism. a brief dispatch sent by a wire service, usually transmitting preliminary news of an important story or development.
Compare (def 2).
the sudden flame or intense heat produced by a bomb or other explosive device.
a sudden thought, insight, inspiration, or vision.
Slang. 1 (def 26).
Poker. a hand containing all five suits in a game played with a five-suit pack.
a device, as a lock or sluice, for confining and releasing water to send a boat down a shallow stream.
the rush of water thus produced.
Obsolete. the cant or jargon of thieves, vagabonds, etc.
verb (used without object)
to break forth into sudden flame or light, especially transiently or intermittently:
a buoy flashing in the distance.
to burst suddenly into view or perception:
The answer flashed into his mind.
to move like a flash.
to speak or behave with sudden anger, outrage, or the like (often followed by out):
to flash out at a stupid remark.
to break into sudden action.
Slang. to open one’s clothes and expose the genitals suddenly, and usually briefly, in public.
Slang. to experience the intense effects of a narcotic or stimulant drug.
to dash or splash, as the sea or waves.
Archaic. to make a flash or sudden display.
verb (used with object)
to emit or send forth (fire or light) in sudden flashes.
to cause to flash, as powder by ignition or a sword by waving.
to send forth like a flash.
to communicate instantaneously, as by radio or telegraph.
to make an ostentatious display of:
He’s forever flashing a large roll of bills.
to display suddenly and briefly:
She flashed her ID card at the guard.
to change (water) instantly into steam by pouring or directing onto a hot surface.
to increase the flow of water in (a river, channel, etc.).
Glassmaking and Ceramics.
Building Trades. to protect from leakage with flashing.
Cards. to expose (a card) in the process of dealing.
Archaic. to dash or splash (water).
sudden and brief:
a flash storm.
showy or ostentatious.
caused by or used as protection against flash:
flash injuries; flash clothing.
counterfeit or sham.
belonging to or connected with thieves, vagabonds, etc., or their cant or jargon.
of or relating to followers of boxing, racing, etc.
flash in the pan,
flash on, Slang.
a precedence code for handling messages about initial enemy contact or operational combat messages of extreme urgency within the U.S. military.
a sudden short blaze of intense light or flame: a flash of sunlight
a sudden occurrence or display, esp one suggestive of brilliance: a flash of understanding
a very brief space of time: over in a flash
an ostentatious display: a flash of her diamonds
Also called newsflash. a short news announcement concerning a new event
(mainly Brit) Also called patch. an insignia or emblem worn on a uniform, vehicle, etc, to identify its military formation
a patch of bright colour on a dark background, such as light marking on an animal
a volatile mixture of inorganic salts used to produce a glaze on bricks or tiles
(photog, informal) short for flashlight (sense 2), flash photography
a ridge of thin metal or plastic formed on a moulded object by the extrusion of excess material between dies
(Yorkshire & Lancashire, dialect) a pond, esp one produced as a consequence of subsidence
(modifier) involving, using, or produced by a flash of heat, light, etc: flash blindness, flash distillation
flash in the pan, a project, person, etc, that enjoys only short-lived success, notoriety, etc
(informal) ostentatious or vulgar
(informal) of or relating to gamblers and followers of boxing and racing
sham or counterfeit
(informal) relating to or characteristic of the criminal underworld
brief and rapid: flash freezing
to burst or cause to burst suddenly or intermittently into flame
to emit or reflect or cause to emit or reflect light suddenly or intermittently
(intransitive) to move very fast: he flashed by on his bicycle
(intransitive) to come rapidly (into the mind or vision)
(intransitive; foll by out or up) to appear like a sudden light: his anger really flashes out at times
(transitive) (informal) to display ostentatiously: to flash money around
(transitive) (informal) to show suddenly and briefly
(intransitive) (Brit, slang) to expose oneself indecently
(transitive) to cover (a roof) with flashing
to send a sudden rush of water down (a river, etc), or to carry (a vessel) down by this method
(in the making of glass) to coat (glass) with a thin layer of glass of a different colour
(transitive) to subject to a brief pulse of heat or radiation
(transitive) to change (a liquid) to a gas by causing it to hit a hot surface
(obsolete) to splash or dash (water)
late 14c., from flasken (c.1300) “to dash or splash” (as water), probably imitative. Related: Flashed; flashing. Sense of “give off a sudden burst of light or flame” is 1540s. Flash flood is from 1940. Flash card is from 1923. Flash cube (remember those?) is from 1965.
1560s, from flash (v.); originally of lightning. Meaning “first news report” is from 1857. Meaning “photographic lamp” is from 1913. The comic book character dates to 1940. Flash in the pan (1809) is from old-style guns, where the powder might ignite in the pan but fail to spark the main charge.
file format, World-Wide Web
(Or “Shockwave Flash”) A file format for delivering interactive vector graphics and animation on the World-Wide Web, developed by Macromedia.
1. Adobe Flash.
2. flash memory.
2. A program to flood a Unix user’s terminal with garbage by exploiting a security hole in the talk daemon.
In addition to the idiom beginning with
forward looking infrared laser radar
noun 1. a knitting process in which the yarn is knitted horizontally on needles set in a straight line.
noun, Nautical. 1. . noun 1. another name for reef knot
noun, Photography. 1. even front lighting of a subject, producing little contrast, no shadows, and no modeling.