Illuminant definition

ĭ-lo͝omə-nənt
Giving light; illuminating.
adjective
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Something that gives off light.
noun
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Something that illuminates, or gives light.
noun
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Something that illuminates.
noun
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Other Word Forms

Noun

Singular:
illuminant
Plural:
illuminants

Origin of illuminant

  • Latin illūmināns illūminant- present participle of illūmināre to illuminate illuminate

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French

    From Wiktionary