51Թ

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  • 51Թ comparison: irradiance vs. radiance

irradiance vs. radiance

irradiance

noun

Physics.
  1. incident flux of radiant energy per unit area.

radiance

noun

  1. radiant brightness or light:

    the radiance of the tropical sun.

    Synonyms: , ,

  2. warm, cheerful brightness:

    the radiance of her expression.

  3. Rare. radiation.