plural of flash mob

Alternative spelling of newsflash

plural of hot flash

(idiomatic, simile) Extremely quick.

(idiomatic, simile) Extremely quickly.

(meteorology, astronomy) A rare phenomenon observed in morning or evening when the sun is crossing or immediately below the horizon, in which a momentary flash or ray of green light appears above the upper rim of the solar disk, caused by refraction of light in the atmosphere.

(meteorology, astronomy) A very rare phenomenon observed in the morning or evening when the sun is crossing or immediately below the horizon, in which a momentary flash of blue light appears above the upper rim of the solar disk, caused by refraction of light in the atmosphere.

A hand grenade that produces a very bright flash and a loud explosion, but no shrapnel and minimal explosive force, to disorient the target.

(countable) A fictional story that is briefer than typical short stories. / (uncountable) The genre of such stories.

plural of green flash