luminousness
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lu·mi·nous
(lo͞o′mə-nəs)adj.
1.
a. Emitting light, especially in the dark; shining.
b. Reflecting light; illuminated: "He watched a luminous cloud drifting up from the Gulf" (Tim Gautreaux). See Synonyms at bright.
2. Having a high degree of saturation: a luminous green.
3.
a. Presented or perceived clearly or vividly: luminous memories.
b. Enlightened or intelligent: luminous ideas.
[Middle English, from Old French lumineux, from Latin lūminōsus, from lūmen, lūmin-, light; see leuk- in Indo-European roots.]
lu′mi·nous·ly adv.
lu′mi·nous·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun | 1. | luminousness - the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun" physical property - any property used to characterize matter and energy and their interactions illuminance, illumination - the luminous flux incident on a unit area incandescence - light from heat glow, luminescence - light from nonthermal sources |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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