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English definition of “ray”


noun     /reɪ/
B2 [C] a narrow beam of light , heat , or energy : an ultraviolet ray the rays of the sun LightPhysics in general
a ray of hope/comfort, etc a small amount of hope , etc → See also X-rayGeneral words for size and amount
(Definition of ray noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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