- 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.
Origin of luminous
SynonymsSee more synonyms on Thesaurus.com
1. lucid, radiant, resplendent, brilliant. 3. bright, intelligent. 4. understandable, perspicuous, lucid.
1, 2. dark. 3. stupid. 4. obscure.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for non-luminous
The Sun he describes as a mighty sphere, but at first non-luminous.The Astronomy of Milton's 'Paradise Lost'
The reply was readyIt must be non-luminous, as are our planets.Eureka:
Edgar A. Poe
The older surgeons even supposed that luminous wounds were more apt to heal properly than non-luminous ones.
These non-luminous mutants occasionally give rise to atavistic brilliantly luminous forms.
It occurs only in luminous, not in non-luminous animals, and is found in all parts of the mantle, especially the siphons.
- 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
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
Word Origin and History for non-luminous
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
- 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.