luminosity
English edit
Etymology edit
From French luminosité or luminous + -ity.
Pronunciation edit
- Rhymes: -ɒsɪti
Noun edit
luminosity (countable and uncountable, plural luminosities)
- (uncountable) the state of being luminous, or a luminous object; brilliance or radiance
- (physics) the ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor
- (astronomy) the rate at which a star radiates energy in all directions
Derived terms edit
Translations edit
state of being luminous
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ratio of luminous to radiant flux
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rate at which a star radiates energy
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References edit
- luminosity on Wikipedia.Wikipedia