(physics) The lowest temperature at which a liquid can form an ignitable mixture in air near the surface of the liquid. / (figuratively) A hotspot; a dangerous place of violent political unrest.

A group of people who rapidly assemble, perform an unusual and seemingly pointless act, and then quickly disperse.

plural of flash mob

Alternative form of flashcard

plural of flash card

Alternative form of flashcrowd / A large audience for a sporting event that is unexpected because of large numbers of game-day ticket sales rather than advance tickets. / A crowd that forms suddenly.

(computer hardware) A small electronic device used to store digital data, more portable and robust than a hard drive.

A transient occurrence with no long-term effect. / A career notable for early success not followed by significant accomplishment.

A device that produces a short flash of light to help illuminate a scene, mostly for night-time or indoors photography, to make the picture brighter.

(computer hardware) A rewritable memory chip that retains its data without a power supply.