- a ridge of metal left on a casting by a seam between parts of the mold.
- a ridge formed at the edge of a forging or weld where excess metal has been squeezed out.
verb (used without object)
verb (used with object)
- to coat (plain glass or a glass or ceramic object) with a layer of colored, opalescent, or white glass.
- to apply (such a layer).
- to color or make (glass) opaque by reheating.
- flash blindness,
- flash burn,
- flash card,
- flash drive,
- flash eliminator
- a brief, intense effort that produces no really significant result.
- a person who makes such an effort; one who enjoys short-lived success.
- to have a sudden thought, insight, or inspiration about.
- to have a sudden, vivid memory or mental picture of: I just flashed on that day we spent at the lake.
- to feel an instantaneous understanding and appreciation of.
Origin of flash
Examples from the Web for flash
The idea that January 1st initiates a period of new beginning is not a flash of Hallmark brilliance.
In a flash he deflects the shot, with the speed of instinct, right past the goalkeeper.
Cops launched a flash grenade through the window and officer Joseph Weekley fired, fatally striking Stanley-Jones.Worse Than Eric Garner: Cops Who Got Away With Killing Autistic Men and Little Girls|Emily Shire|December 4, 2014|DAILY BEAST
I see a couple holding each other and longingly looking at flash sheets on the wall.Explosion of Cute: Inside the Superfan Mania of Hello Kitty Con 2014|Sarah Bay Williams|November 2, 2014|DAILY BEAST
Flash says it after watching Arrow swing off a rooftop; Arrow says it seconds later as he watches Flash run away.‘The Flash’ Review: Teen Angst Gets a Comic Book Quickie|Sujay Kumar|October 7, 2014|DAILY BEAST
In a flash Vidac was out of the seat and examining the vehicle.The Space Pioneers|Carey Rockwell
Involuntarily Morrison, like thousands of others, had screened his sight with his hands after the second flash.Average Jones|Samuel Hopkins Adams
"You wish prepare for luncheon, honorable sirs," said the boy, his teeth and eyes shining in one flash.Under Handicap|Jackson Gregory
Red Blaze, quick as lightning, fired at the flash of the rifle.The Guns of Shiloh|Joseph A. Altsheler
Before she could flash about and turn from him David Drennen did a thing he had done for no woman in many years.Wolf Breed|Jackson Gregory
- a sudden rush of water down a river or watercourse
- a device, such as a sluice, for producing such a rush
- to signal or communicate very fastto flash a message
- to signal by use of a light, such as car headlights
Word Origin for flash
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.
In addition to the idiom beginning with flash
- flash in the pan
- in a flash
- quick as a wink (flash)