1. a glass bulb containing metal foil that produces a bright flash of light when ignited, used in photography
Usage: historical

Examples

• The photographer replaced the spent flashbulb before taking the next picture.
• Old cameras required a new flashbulb for each photograph.
• The flashbulb popped with a bright white light.
• She collected vintage cameras and their original flashbulbs.
• Before electronic flashes, photographers relied on disposable flashbulbs.
• The museum display showed how flashbulbs revolutionized indoor photography.