Radiação, radioatividade.
n.The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness. The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat
n.energy generic term noun, emission generic term, emanation generic term noun, radiation sickness, radiation syndrome, syndrome generic term noun, radioactivity, emission generic term noun, natural process generic term, natural action generic term, action generic term, activity generic term, spread generic term, spreading generic term noun, neural structure generic term noun, radiotherapy, radiation therapy, actinotherapy, irradiation, therapy generic term
Vogais: aiaio
Consoantes: rdtn
redition, radian, ration, reddition, radon, raton, roration, rotation, ratoon, rattoon.