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English definition of “flash”

flash

verb (SHINE SUDDENLY)    /flæʃ/
B2 [I or T] to shine brightly and suddenly, or to make something shine in this way: Stop flashing that light in my eyes! The lightning flashed and distant thunder rolled. You'd better slow down, that car was flashing (its lights) at you.Emitting and casting light [I] literary If someone's eyes flash, they look bright because of the anger or excitement the person is feeling.Expressing and showing feelings
(Definition of flash verb (SHINE SUDDENLY) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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