- 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
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.