01 a. Shining; emitting or reflecting light; brilliant; bright; as, the is a luminous body; a luminous color.
-
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.
Phrases & compounds
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.