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1 [with object] emit (energy, especially light or heat) in the form of rays or waves:the hot stars radiate energy [no object] (of light, heat, or other energy) be emitted in the form of rays or waves:the continual stream of energy that radiates from the sun (of a person) clearly emanate (a strong feeling or quality) through their expression or bearing:she lifted her chin, radiating defiance
) (of a feeling or quality) emanate clearly from:leadership and confidence radiate from her
2 [no object] diverge or spread from or as if from a central point:he ran down one of the passages that radiated from the room Biology (of an animal or plant group) evolve into a variety of forms adapted to new situations or ways of life.
Pronunciation: /ˈrādēət, -ˌāt/
having rays or parts proceeding from a center; arranged in or having a radial pattern:the radiate crown