Flash-photography
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
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- Flash-photolysis
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 […]
- Flash-picture
noun 1. a photograph made using flash photography.
- Flashpoint
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 […]
- Flash-point
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 […]
- Flash roll
noun phrase A bundle of cash shown as proof that the holder is in funds: thinking it would make for a fatter looking flash roll/ showed suspects six million in cash as front or flash money to prove that they indeed had funds (1970s+)