Lu″mi‐nous (?), a. [L. luminosus, fr. lumen light: cf. F. lumineux. See Luminary, Illuminate.]
1. Shining; emitting or reflecting light; brilliant; bright; as, the is a luminous body; a luminous color.
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.” Macaulay. “ A luminous statement.” Brougham.
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.
Syn. — Lucid; clear; shining; perspicuous.
— Lu″mi‐nous‐ly, adv. — Lu″mi‐nous‐ness, n.