irradiate

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ir·ra·di·ate / iˈrādēˌāt/ • v. [tr.] 1. (often be irradiated) expose to radiation. ∎  expose (food) to gamma rays to kill microorganisms.2. illuminate (something) by or as if by shining light on it: sunlight streamed down through stained glass, irradiating the faces of family and friends.DERIVATIVES: ir·ra·di·a·tor / -ˌātər/ n.