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Luminous Meaning and Definition in Dictionary

Definitions from Wordnet 2.0

  • softly bright or radiant; "a house aglow with lights"; "glowing embers"; "lambent tongues of flame"; "the lucent moon"; "a sky luminous with stars"

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Luminous Meaning and Definition in Wikipedia

Luminosity is a measure of brightness. Brightness is how much light is given off.

In astronomy, the total amount of energy emitted by a star or other astronomical object is its luminosity. It is measured in joules per second, which are watts. A watt is one unit of power. Just as a light bulb is measured in watts, so too is the Sun. The sun gives off 3.846×1026 W. This number is known as 1 sol, the symbol for which is .

There are other ways to describe luminosity. The most common is apparent magnitude, which is how bright an object looks to an observer on Earth. Naturally this only applies to light, that is, visible wavelengths. Apparent magnitude is contrasted with absolute magnitude, which is an object's intrinsic brightness at visible wavelengths, irrespective of distance.

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Luminous Sample Sentences in News

  • Printable particles for large, curved luminous surfaces
    Light-emitting diodes (LEDs) are the modern lighting devices used in lamps, signals, signs or displays. By contrast, organic semiconducting light-emitting materials (OLEDs) can be incorporated in thin layers and used on curved surfaces. However, OLEDs for large-area illumination are cost-intensive at present owing to their low efficiency and short lifetime. Read more on this news related to 'Luminous'
  • Reviving Dull Skin
    Everybody wants luminous skin. But after a cold winter, your complexion can start to look dull and sallow. Both freezing temperatures and aging create slow cell-turnover causing a build up of dead skin cells. You can get that radiance back pretty easily with a combination of skincare and makeup. Read more on this news related to 'Luminous'
  • Luminous Arc Infinity Calling System Detailed
    They harmonize for victory and justice! The post Luminous Arc Infinity Calling System Detailed appeared first on oprainfall . Read more on this news related to 'Luminous'

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