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flashbulb

or flash bulb

[ flash-buhlb ]
/ ˈflæʃˌbʌlb /
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noun Photography.

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.

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Also called flash.

Origin of flashbulb

First recorded in 1930–35; flash + bulb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for flashbulb

British Dictionary definitions for flashbulb

flashbulb
/ (ˈflæʃˌbʌlb) /

noun

photog a small expendable glass light bulb formerly used to produce a bright flash of lightAlso called: photoflash Compare electronic flash
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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