irradiance

English

Etymology

irradiant +‎ -ance

Pronunciation

• IPA^(key): /ɪˈɹeɪ.di.əns/

Noun

irradiance (countable and uncountable, plural irradiances)

1. The act of irradiating; emission of rays of light.
2. That which irradiates or is irradiated; lustre; splendour; brilliancy.
3. (physics) The radiant power received by unit area of surface.
   • 1959, United States. National Aeronautics and Space Administration, NASA Technical Note (issues 3641-3650, page 15)

     The geometry of the cone θ and the irradiance at the image of the carbon block were used to determine the absolute steradiancy of the energy in the cone θ as a radiometer calibration value.

Related terms

• radiance

Translations

The act of irradiating

That irradiates or is irradiated

physics: Radiant power received by unit area of surface

• Finnish: säteilytysvoimakkuus
• German: Bestrahlungsstärke f
• Spanish: irradiancia f

Anagrams

• carinderia