- 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.
- 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
Synonyms for flash
Related Words for flash ondetect, acknowledge, recognize, regard, spot, note, see, catch, discern, summon, remind, evoke, cite, notice, remember, admit, make, perceive, observe, know
- 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
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.
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.
In addition to the idiom beginning with flash
- flash in the pan
- in a flash
- quick as a wink (flash)