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English definition of “luminous”

luminous

adjective     /ˈluː.mɪ.nəs/
producing or reflecting bright light ( especially in the dark ): luminous clothing The qualities of light luminosity     /ˌluː.mɪˈnɒs.ə.tɪ/ US  /-ˈnɑː.sə.t̬i/ noun [U] Light luminously     /-li/ adverb The qualities of light
(Definition of luminous adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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