powder flash
1Flash powder — is a pyrotechnic composition, a mixture of oxidizer and metallic fuel which burns quickly and if confined will produce a loud report. It is widely used in theatrical pyrotechnics and fireworks (namely salutes, eg. cherry bombs, M 80s, and… …
2Flash evaporation — Flash (or partial) evaporation is the partial vaporization that occurs when a saturated liquid stream undergoes a reduction in pressure by passing through a throttling valve or other throttling device. This process is one of the simplest unit… …
3Flash — (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… …
4flash in the pan — 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… …
5flash — [flash] vi. [ME flashen, to splash, sprinkle; of echoic orig.] 1. to send out or reflect a sudden, brief blaze or light, esp. at intervals 2. to sparkle or gleam [eyes flashing with anger] 3. to speak abruptly, esp. in anger: usually with out 4.… …
6flash powder — flash powder, a mixture of aluminum or magnesium with certain other substances that produces a bright flash when ignited, commonly used before the invention of the flashbulb to supply artificial light for taking photographs …
7Flash suppressor — Detail of the birdcage type flash suppressor on a SIG SG 550 A flash suppressor, also known as a flash guard, flash eliminator, flash hider, or flash cone, is a device attached to the muzzle of a rifle or other gun that reduces the visible… …
8Flash (photography) — The furious wing action of a Hummingbird Hawk moth is frozen by flash. The flash has given the foreground more illumination than the background. See Inverse square law A flash is a device used in photography producing a flash of artificial light… …
9Flash pan — The flash pan or priming pan is a small receptacle for priming powder, found next to the touch hole on muzzleloading guns. Flash pans are found on gonnes, matchlocks, wheellocks, snaplocks, snaphances, and flintlocks. The flash pan was at first… …
10flash lamp — Photog. a lamp for providing momentary illumination of the subject of a photograph. Also, flashlamp. Also called flash. [1885 90] * * * ▪ lighting any of several devices that produce brief, intense emissions of light useful in photography… …
