Webster
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Webster’s Revised Unabridged Dictionary · 1913

Luminous

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.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty.