■ verb
1》 emit (light, heat, or other energy) in the form of rays or waves.
↘be emitted in such a way.
↘display (a strong feeling or quality).
2》 diverge from or as if from a central point.
↘[as adjective ~d ] used in names of animals with markings arranged like rays.
3》 Biology (of an animal or plant group) evolve into a variety of forms.
■ adjective rare radialect
Derivatives
radiative adjective
Origin
C17: from L. radiat- , radiare 'emit in rays', from radius 'ray, spoke'.