[ loo-muh-nuhs ]
/ ˈlu mə nəs /
radiating or reflecting light; shining; bright.
lighted up or illuminated; well-lighted: the luminous ballroom.
brilliant intellectually; enlightened or enlightening, as a writer or a writer's works: a luminous concept; luminous prose.
clear; readily intelligible: a concise, luminous report.
- luminosity class,
- luminous efficacy,
- luminous efficiency,
- luminous emittance,
- luminous energy,
- luminous exitance
Origin of luminous
SYNONYMS FOR luminous
1. lucid, radiant, resplendent, brilliant. 3. bright, intelligent. 4. understandable, perspicuous, lucid.
lu·mi·nous·ly, adverblu·mi·nous·ness, nounnon·lu·mi·nous, adjectivenon·lu·mi·nous·ly, adverb
non·lu·mi·nous·ness, nounself-lu·mi·nous, adjectivesem·i·lu·mi·nous, adjectivesem·i·lu·mi·nous·ly, adverbsem·i·lu·mi·nous·ness, nounun·lu·mi·nous, adjectiveun·lu·mi·nous·ly, adverbun·lu·mi·nous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
/ (ˈluːmɪnəs) /
radiating or reflecting light; shining; glowingluminous colours
(not in technical use) exhibiting luminescenceluminous paint
full of light; well-lit
(of a physical quantity in photometry) evaluated according to the visual sensation produced in an observer rather than by absolute energy measurementsluminous flux; luminous intensity Compare radiant
easily understood; lucid; clear
enlightening or wise
Word Origin for luminous
C15: from Latin lūminōsus full of light, from lūmen light
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
early 15c., "full of light," from Latin luminosus "shining, full of light," from lumen (genitive luminis) "light," related to lucere "to shine" (see light (n.)). Related: Luminously.
Online Etymology Dictionary, © 2010 Douglas Harper
[ lōō′mə-nəs ]
Emitting light, especially emitting self-generated light.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.