/flash"bulb'/, n. Photog.
a glass bulb, filled with oxygen and aluminum or zirconium wire or foil, which, when ignited electrically, burns with a brilliant flash to provide momentary illumination of a subject.
Also, flash bulb. Also called flash.
[1930-35; FLASH + BULB]

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      one-time light bulb giving a single bright burst of light, used in photography. See flash lamp.

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Universalium. 2010.

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