luminosity

English

Etymology

From French luminosité or luminous + -ity.

Pronunciation

  • Rhymes: -ɒsɪti

Noun

luminosity (countable and uncountable, plural luminosities)

  1. (uncountable) the state of being luminous, or a luminous object; brilliance or radiance
  2. (physics) the ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor
  3. (astronomy) the rate at which a star radiates energy in all directions

Derived terms

Translations

References

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.