flashbulb

American  

[flash-buhlb] / ˈflæʃˌbʌlb /

Or flash bulb

noun

Photography.

1. 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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flashbulb British  

/ ˈflæʃˌbʌlb /

noun

1. Also called: photoflash.  photog a small expendable glass light bulb formerly used to produce a bright flash of light Compare electronic flash

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Etymology

Origin of flashbulb

First recorded in 1930–35; flash + bulb

Example Sentences

What’s left is a spectral scene, ghosted by the limitations of old black-and-white photographic technology and further heightened by the uneven glow generated by the camera’s flashbulb.

From Los Angeles Times • Sep. 22, 2025

For me, it became a flashbulb memory, a reminder that art has the power to not only divert people from their dispirited ruminations but also help them reframe their despairing mind-sets.

From Washington Post • Jan. 21, 2022

The Kodak Flashcube—a rotating cube with a miniature flashbulb incarcerated within each of its four mirrored compartments—made amateur photography of the domestic interior possible from the mid-1960s onwards.

From Slate • Dec. 21, 2021

“I think what happens is they develop a narrative about their flashbulb memory,” he said.

From New York Times • Sep. 8, 2021

Frightful was jabbing at some insect in the grass below me when suddenly a flashbulb exploded and a man appeared.

From "My Side of the Mountain" by Jean Craighead George