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- Dictionaryluminosity/ˌluːmɪˈnɒsɪti/
noun
- 1. luminous quality: "acrylic colours retain freshness and luminosity"
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LUMINOSITY definition: 1. the state of producing or reflecting bright light; the state of appearing to shine: 2. the…. Learn more.
1. a. : the quality or state of being luminous. b. : something luminous. 2. a. : the relative quantity of light. b. : relative brightness of something. 3. : the relative quantity of radiation emitted by a celestial source (such as a star) Synonyms. brightness. brilliance. brilliancy. candor. dazzle. effulgence. illumination. lambency. lightness.
Luminosity is an absolute measure of radiated electromagnetic energy per unit time, and is synonymous with the radiant power emitted by a light-emitting object. [1] [2] In astronomy, luminosity is the total amount of electromagnetic energy emitted per unit of time by a star, galaxy, or other astronomical objects. [3] [4]
the quality of being intellectually brilliant, enlightened, inspired, etc.: The luminosity of his poetry is unequaled. something luminous. 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.
the state of producing or reflecting bright light; the state of appearing to shine: The photographer achieved the luminosity in the image through careful manipulation in the darkroom. The light was crystalline, giving everything a shimmering luminosity. Thesaurus: synonyms, antonyms, and examples. brightness that allows you to see.
Luminosity is the quality of something that gives off light or shines with reflected light. The most noticeable quality of a large, sparkly diamond is its luminosity. You might describe a bright and lively oil painting in terms of its luminosity, or marvel at the luminosity of a brilliant sunset.
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 measure of radiant power; that is, its value is independent of an observer’s distance from an object.
a clear and beautiful quality that something has. the luminosity of the poem. Check pronunciation: luminosity. Definition of luminosity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
luminosity. (luːmɪnɒsɪti ) 1. uncountable noun. The luminosity of a star or sun is how bright it is. [technical] ...the present-day luminosity of the Sun. 2. uncountable noun. You can talk about the luminosity of someone's skin when it has a healthy glow. Rosy powder gives the skin warmth and luminosity.
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