A variety of water-tube boiler, used chiefly in steam automobiles, consisting of a nest of strong tubes with very little water space, kept nearly red hot so that the water as it trickles drop by drop into the tubes is immediately flashed into steam and superheated.

A gas burner with a device for lighting by an electric spark.

plural of flash boiler

(idiomatic) To recall or remember something; to experience a flashback.

(of a memory or vision) To move forward in time.

(cooking, transitive) To fry (food) for a short time at a high heat, typically to brown a coating without overcooking the food inside.

plural of flash cut

plural of flash mobber

plural of news flash

plural of camera flash