Simple past tense and past participle of radiate.(verb)
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Use "radiated" in a sentence
"His expression radiated happiness and peace, his impenetrable smile telling the world, “I am the happiest man alive.”"
"Beside her, a pore in the lipid membrane of the ark released a jet of bubbles, making the vessel sink slowly toward the floodlit harbor where a dozen other arks already clustered, docked to flexible tube chutes that radiated from the domes like glowing starfish arms."
"The church, as constructed, was square in plan [a rare centralized Gothic plan -- MGA], with nearly identical high bays that radiated from the crossing; the north and south bays were to serve as transepts, the east as a narthext and the west as the choir [below, in a drawing by the famous renderer Hugh Ferriss]."