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Luminosity can also be given in terms of the astronomical magnitude system: the absolute bolometric magnitude (Mbol) of an object is a logarithmic measure of its total energy emission …

luminosity noun lu· mi· nos· i· ty ˌlü-mə-ˈnä-sə-tē plural luminosities Synonyms of luminosity 1 a : the quality or state of being luminous

Luminosity, in astronomy, the amount of light emitted by an object in a unit of time. The luminosity of the Sun is 3.846 × 1026 watts (or 3.846 × 1033 ergs per second). Luminosity is an absolute …

LUMINOSITY definition: 1. the state of producing or reflecting bright light; the state of appearing to shine: 2. the…. Learn more.

the brightness of a star in comparison with that of the sun: the luminosity of Sirius expressed as 23 indicates an intrinsic brightness 23 times as great as that of the sun

Astronomy., the brightness of a star in comparison with that of the sun: the luminosity of Sirius expressed as 23 indicates an intrinsic brightness 23 times as great as that of the sun.

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Definition of luminosity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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