(informal) a backpacker who has a considerable disposable income
noun 1. photography using a momentary flash of artificial light as a source of illumination. noun 1. photography in which a flashbulb or electronic flash is used to provide momentary illumination of a dark or insufficiently lit subject
noun, Chemistry. 1. the study of photochemical reaction mechanisms in gases by analyzing spectroscopically the reaction products in a gas mixture irradiated with a powerful light flash. noun 1. (physics) a technique for producing and investigating free radicals. A low-pressure gas is subjected to a flash of radiation to produce the radicals, subsequent flashes being […]
noun 1. a photograph made using flash photography.
noun 1. Also, flashing point. Physical Chemistry. the lowest temperature at which a liquid in a specified apparatus will give off sufficient vapor to ignite momentarily on application of a flame. 2. a critical point or stage at which something or someone suddenly causes or creates some significant action: A 10 percent drop in mortgage […]