| Irradiancy 1. (n.) The act of irradiating; emission of rays of light. 2. (n.) That which irradiates or is irradiated; luster; splendor; irradiation; brilliancy. Thesaurus Entries aroma, aura, breath, definite odor, detectable odor, diffusion, discharge, dispersion, ectoplasm, ectoplasy, effluvium, emergence, emersion, emission, essence, exhalation, exteriorized protoplasm, extrusion, flavor, fragrance, fume, highlight, illumination, irradiance, irradiancy, irradiation, issuance, issue, light, light source, luminous energy, odor, photosensitivity, radiance, radiancy, radiant energy, radiation, radius, ray, redolence, savor, scattering, scent, sidelight, smell, spoke, spoor, stench, subtle odor, surfacing, trace, trail, vent, visible radiation, whiff | ![]() |