1. Shining; emitting or reflecting light; brilliant; bright; as, the is a luminous body; a luminous colour. "Fire burneth wood, making it . . . Luminous." (Bacon) "The mountains lift . . . Their lofty and luminous heads." (Longfellow)

2. Illuminated; full of light; bright; as, many candles made the room luminous. "Up the staircase moved a luminous space in the darkness." (Longfellow)

3. Enlightened; intelligent; also, clear; intelligible; as, a luminous mind. " Luminous eloquence." . " A luminous statement." Luminous paint, a paint made up with some phosphorescent substance, as sulphide of calcium, which after exposure to a strong light is luminous in the dark for a time.

Synonyms: Lucid, clear, shining, perspicuous.

Luminously, Luminousness.

Origin: L. Luminosus, fr. Lumen light: cf. F. Lumineux. See Luminary, Illuminate.

(01 Mar 1998)

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