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exitance. In DICTIOUS you will not only get to know all the dictionary meanings for the word
exitance, but we will also tell you about its etymology, its characteristics and you will know how to say
exitance in singular and plural. Everything you need to know about the word
exitance you have here. The definition of the word
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English
Noun
exitance (plural exitances)
- (physics) Flux (of radiation).
- 1984-7, John E. Kaufman, Jack F. Christensen, (Illuminating Engineering Society of North America), IES lighting handbook: Volume 1984:
- The entire east sky provided an equivalent exitance of 19 kilolumens per square meter (Method 1)
1998, Glenn D. Boreman, Basic electro-optics for electrical engineers, page 49:For a given temperature, exitance is a function of wavelength. This results in a family of spectral exitance curves dependent on temperature. The equation for spectral exitance is the Planck equation: […]
1999, Joseph Caniou, Passive infrared detection: theory and applications, page 42:In practice, unless otherwise indicated, it is accepted that exitance is taken to be a hemispherical quantity.
2006, Craig M. Payne, Principles of Naval Weapon Systems, page 104:Exitance is the amount of power per unit area expressed in watts per square meter (w/m2), or square centimeter (w/cm2), that leaves a surface and is radiated into a hemisphere.