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English definition of “flash”

flash

verb  /flæʃ/ us  

flash verb (SHINE)

[I/T] to shine suddenly and usually brightly, but only for a short time: [T] Stop flashing that light in my eyes.

flash verb (HAPPEN QUICKLY)

[I always + adv/prep] to move or happen quickly: A fire engine flashed by.

flash verb (SHOW)

[I/T] to show something quickly or for a short time: [T] The officer flashed her badge. [I] A smile flashed across her face.

flash

noun [C]  /flæʃ/ us  

flash noun [C] (SHINE)

a sudden bright light that quickly disappears: A flash of lightning lit the sky.

flash noun [C] (PHOTOGRAPHY)

a device used to produce a bright light for a brief time when taking a photograph

flash noun [C] (QUICK APPEARANCE)

a quick movement or short appearance of something: an occasional flash of wit
(Definition of flash from the Cambridge Academic Content Dictionary © Cambridge University Press)
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