radiar

adv. radiantly, brilliantly, while emitting light or radiation; radially, in the form of rays, with spokes radiating from a central point

adj. radiant, brilliant, emitting rays of light; emitting radiation; radial, arranged in rays, arranged as spokes radiating from a central point

v. ray, radiate

v. broadcast, ray

= radiate.
Ex: One method to strengthen brittle paper without unbinding the books is to impregnate them with monomer acrylics and to radiate for polymerisation.