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English definition of “flash”

flash

noun     /flæʃ/
BRIGHT LIGHT [C] B2 a sudden bright light : The bomb exploded in a flash of yellow light .Light
CAMERA [C, U] B2 a piece of camera equipment that produces a bright light when you take a photograph in a dark place Photography
SUDDEN EXPERIENCE [C] a sudden experience of something such as a feeling or idea : a flash of anger I had a flash of inspiration .Feelings - general words
in a flash immediately , or very quickly : I'll be back in a flash.ImmediatelyFast and rapidShort in time
(Definition of flash noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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