flashbulb

or flash bulb

[ flash-buhlb ]
/ ˈflæʃˌbʌlb /

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.
Also called flash.

Origin of flashbulb

First recorded in 1930–35; flash + bulb

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 light Also called: photoflash Compare electronic flash