IRRADIANCE; IRRADIANCY
Ir*ra"di*ance, Ir*ra"di*an*cy, n. Etym: [From Irradiant.]
1. The act of irradiating; emission of rays of light.
2. That which irradiates or is irradiated; luster; splendor; irradiation; brilliancy. Milton.
IRRADIANT
Ir*ra"di*ant, a. Etym: [L. irradians, -antis, p. pr. See Irradiate.]
Defn: Irradiating or illuminating; as, the irradiant moon. Boyse.
IRRADIATE
Ir*ra"di*ate, v. t. [imp. & p. p. Irradiated; p. pr. & vb. n.
Irradiating.] Etym: [L. irradiatus, p. p. of irradiate. See In- in,
and Radiate.]
1. To throw rays of light upon; to illuminate; to brighten; to adorn with luster. Thy smile irradiates yon blue fields. Sir W. Jones.
2. To enlighten intellectually; to illuminate; as, to irradiate the mind. Bp. Bull.
3. To animate by heat or light. Sir M. Hale.
4. To radiate, shed, or diffuse. A splendid fairradiating hospitality. H. James.