flashbulb

/ˈflæʃˌbʌlb/
noun
  1. A small glass bulb that produces a bright flash of light for taking photographs, especially in older cameras.
    • The flashbulb popped and lit up the entire room for a second.
    • My grandfather's old camera uses a flashbulb that you have to replace after each photo.
    • She collected vintage flashbulbs as a hobby.
  2. A bright, sudden burst of light, often used figuratively to describe a moment of insight or memory.
    • Her idea was a flashbulb moment that changed the project.
    • The memory came back like a flashbulb, bright and sudden.
    • A flashbulb of inspiration went off in his mind, and he knew the answer.
What does "flashbulb" mean? | whatsthatwordmean | whatsthatwordmean