Irradiancy :: Irradiancy (n.) The act of irradiating; emission of rays of light.
 
	Irradiancy :: Irradiancy (n.) That which irradiates or is irradiated; luster; splendor; irradiation; brilliancy.
 
	Irradiant :: Irradiant (a.) Irradiating or illuminating; as, the irradiant moon..