Word.ws English Dictionary

exitance

exitance noun: flux (of radiation).

Noun

exitance (plural exitances)

  1. Flux (of radiation).
    • The entire east sky provided an equivalent exitance of 19 kilolumens per square meter (Method 1) […]1984-7, John E. Kaufman, Jack F. Christensen, (Illuminating Engineering Society of North America), IES lighting handbook: Volume 1984
    • 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: […]1998, Glenn D. Boreman, Basic electro-optics for electrical engineers, page 49

Examples of exitance in a sentence

  • In practice, unless otherwise indicated, it is accepted that exitance is taken to be a hemispherical quantity.1999, Joseph Caniou, Passive infrared detection: theory and applications, page 42:
  • 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.2006, Craig M. Payne, Principles of Naval Weapon Systems, page 104:

Forms of exitance

pluralexitances

Questions about exitance

What does exitance mean?
Exitance means flux (of radiation).
How do you use exitance in a sentence?
In practice, unless otherwise indicated, it is accepted that exitance is taken to be a hemispherical quantity.
What part of speech is exitance?
Exitance is a noun.
What is the plural of exitance?
The plural of exitance is exitances.

Words near exitance in the dictionary

  1. exit velocity
  2. exit visa
  3. exit visas
  4. exit wound
  5. exit wounds
  6. exitance
  7. exitances
  8. exite
  9. exited
  10. exited stage left
  11. exiter

Source and license

Adapted from Wiktionary: exitance (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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