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[loo-muh-nuh-fawr, -fohr] /ˈlu mə nəˌfɔr, -ˌfoʊr/

noun, Physics, Chemistry.
a molecule or group of molecules that emits light when illuminated.

luminophore lu·mi·no·phore (lōō’mə-nə-fôr’)
An atom or atomic grouping that when present in an organic compound increases the ability of the compound to luminesce.


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  • Luminosity

    [loo-muh-nos-i-tee] /ˌlu məˈnɒs ɪ ti/ noun, plural luminosities. 1. (def 2). 2. the quality of being intellectually brilliant, enlightened, inspired, etc.: The luminosity of his poetry is unequaled. 3. something . 4. Astronomy. the brightness of a star in comparison with that of the sun: the luminosity of Sirius expressed as 23 indicates an intrinsic […]

  • Luminosity-class

    noun, Astronomy. 1. a classification of stars of a given spectral type according to their luminosity, breaking them down into dwarfs, giants, and supergiants.

  • Luminous

    [loo-muh-nuh s] /ˈlu mə nəs/ adjective 1. radiating or reflecting light; shining; bright. 2. lighted up or illuminated; well-lighted: the luminous ballroom. 3. brilliant intellectually; enlightened or enlightening, as a writer or a writer’s works: a luminous concept; luminous prose. 4. clear; readily intelligible: a concise, luminous report. /ˈluːmɪnəs/ adjective 1. radiating or reflecting light; […]

  • Luminous-efficiency

    noun, Optics. 1. the perceived brightness of light as a ratio of the total luminous flux to total radiant flux of the source; a measure of brightness obtained by dividing the source’s luminous flux by the consumption of its energy. noun 1. the efficiency of polychromatic radiation in producing a visual sensation. It is the […]

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