'irradiance' definitions:
Definition of 'irradiance'
From: GCIDE
- irradiance \ir*ra"di*ance\ ([i^]r*r[=a]"d[i^]*ans), irradiancy \ir*ra"di*an*cy\ ([i^]r*r[=a]"d[i^]*an*s[y^]), n. [From irradiant.] [1913 Webster]
- 1. The act of irradiating; emission of rays of light. [1913 Webster]
- 2. That which irradiates or is irradiated; luster; splendor; irradiation; brilliancy. --Milton. [1913 Webster]