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luminosity

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noun lu·mi·nos·i·ty \ ˌlü-mə-ˈnä-sə-tē \

Definition of luminosity

plural luminosities
1 a :the quality or state of being luminous
b :something luminous
2 a :the relative quantity of light
b :relative brightness of something
3 :the relative quantity of radiation emitted by a celestial source (such as a star)

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Examples of luminosity in a Sentence

  1. the luminosity of the fireflies made for an enchanting nighttime show

Recent Examples of luminosity from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'luminosity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of luminosity

1634

luminosity Synonyms

Synonyms
brightness, brilliancy, candor, dazzle, effulgence, illumination, lambency, lightness, luminance, brilliance, luminousness, luster (or lustre), lustrousness, radiance, refulgence, splendor
Antonyms
blackness, dark, darkness, dullness (also dulness), duskiness
Related Words
blaze, flare, flash, flicker, light; fluorescence, incandescence, luminescence; burnish, gloss, polish, sheen, shine, shininess; fire, flame, glare, glow; flash, gleam, glimmer, glint, glisten, glitter, scintillation, shimmer, sparkle, twinkle
Near Antonyms
dimness, gloominess, somberness; cloudiness, haziness, murkiness, obscureness, obscurity; colorlessness, grayness, lackluster, paleness, shadiness, shadowiness

Medical Dictionary

luminosity

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noun lu·mi·nos·i·ty \ ˌlü-mə-ˈnäs-ət-ē \

medical Definition of luminosity

plural luminosities
1 :the quality or state of being luminous
2 a :the relative quantity of light
b :the comparative degree to which light of a given wavelength induces the sensation of brightness when perceived

Learn More about luminosity

  1. See words that rhyme with luminosity Thesaurus: All synonyms and antonyms for luminosity Spanish Central: Translation of luminosity Nglish: Translation of luminosity for Spanish speakers Britannica.com: Encyclopedia article about luminosity

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Examples: luminosity in a Sentence