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Meaning of flashbulb

flash•bulb

Pronunciation: (flash'bulb"), [key]
— n. Photog.
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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