luminosity

[ loo-muh-nos-i-tee ]

/ ˌlu məˈnɒs ɪ ti /

SEE SYNONYMS FOR luminosity ON THESAURUS.COM

noun, plural lu·mi·nos·i·ties.

luminance (def. 2).

the quality of being intellectually brilliant, enlightened, inspired, etc.: The luminosity of his poetry is unequaled.

something luminous.

Astronomy. the brightness of a star in comparison with that of the sun: the luminosity of Sirius expressed as 23 indicates an intrinsic brightness 23 times as great as that of the sun.

Also called luminosity factor. Optics. the brightness of a light source of a certain wavelength as it appears to the eye, measured as the ratio of luminous flux to radiant flux at that wavelength.

Origin of luminosity

1625–35; <Latin lūminōs(us) luminous + -ity

OTHER WORDS FROM luminosity

non·lu·mi·nos·i·ty, nounself-lu·mi·nos·i·ty, noun

Words nearby luminosity

luminesce, luminescence, luminiferous, luminism, luminophore, luminosity, luminosity class, luminous, luminous efficacy, luminous efficiency, luminous emittance

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for luminosity

Nikos Kazantzakis had no problems writing a moving novel of beauty, profundity, and luminosity.
Examining the Many Novels on Jesus Christ|David Masciotra|December 24, 2012|DAILY BEAST
All that remained visible now was the jumbled mass of needle-pointed sparks of luminosity.
Astounding Stories of Super-Science, October, 1930|Various
It was set flush with the wooden floor of the room, and seemed to be nothing more than a square carpet of luminosity.
Cube Root of Conquest|Roger Phillips Graham
The outlines of this luminosity were more clearly defined than those of the light which floated about the room.
Metapsychical Phenomena|J. Maxwell

I did not doubt that luminosity could be excited in a closed tube when electrostatic action is completely excluded.
The inventions, researches and writings of Nikola Tesla|Thomas Commerford Martin
Mistcherlich's method is based upon the luminosity of the vapors of phosphorus.
Legal Chemistry|A. Naquet

British Dictionary definitions for luminosity

luminosity

/ (ˌluːmɪˈnɒsɪtɪ) /

noun plural -ties

the condition of being luminous

something that is luminous

astronomy a measure of the radiant power emitted by a star

physics the attribute of an object or colour enabling the extent to which an object emits light to be observedFormer name: brightness See also colour

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

单词	luminosity
释义	luminosity [ loo-muh-nos-i-tee ] / ˌlu məˈnɒs ɪ ti / SEE SYNONYMS FOR luminosity ON THESAURUS.COM noun, plural lu·mi·nos·i·ties. luminance (def. 2). the quality of being intellectually brilliant, enlightened, inspired, etc.: The luminosity of his poetry is unequaled. something luminous. Astronomy. the brightness of a star in comparison with that of the sun: the luminosity of Sirius expressed as 23 indicates an intrinsic brightness 23 times as great as that of the sun. Also called luminosity factor. Optics. the brightness of a light source of a certain wavelength as it appears to the eye, measured as the ratio of luminous flux to radiant flux at that wavelength. Origin of luminosity 1625–35; <Latin lūminōs(us) luminous + -ity OTHER WORDS FROM luminosity non·lu·mi·nos·i·ty, nounself-lu·mi·nos·i·ty, noun Words nearby luminosity luminesce, luminescence, luminiferous, luminism, luminophore, luminosity, luminosity class, luminous, luminous efficacy, luminous efficiency, luminous emittance Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for luminosity Nikos Kazantzakis had no problems writing a moving novel of beauty, profundity, and luminosity. Examining the Many Novels on Jesus Christ\|David Masciotra\|December 24, 2012\|DAILY BEAST All that remained visible now was the jumbled mass of needle-pointed sparks of luminosity. Astounding Stories of Super-Science, October, 1930\|Various It was set flush with the wooden floor of the room, and seemed to be nothing more than a square carpet of luminosity. Cube Root of Conquest\|Roger Phillips Graham The outlines of this luminosity were more clearly defined than those of the light which floated about the room. Metapsychical Phenomena\|J. Maxwell I did not doubt that luminosity could be excited in a closed tube when electrostatic action is completely excluded. The inventions, researches and writings of Nikola Tesla\|Thomas Commerford Martin Mistcherlich's method is based upon the luminosity of the vapors of phosphorus. Legal Chemistry\|A. Naquet British Dictionary definitions for luminosity luminosity / (ˌluːmɪˈnɒsɪtɪ) / noun plural -ties the condition of being luminous something that is luminous astronomy a measure of the radiant power emitted by a star physics the attribute of an object or colour enabling the extent to which an object emits light to be observedFormer name: brightness See also colour 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 Words related to luminosity light, glow, brightness, luminance, fluorescence
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luminosity

noun, plural lu·mi·nos·i·ties.

Origin of luminosity

OTHER WORDS FROM luminosity

Words nearby luminosity

Example sentences from the Web for luminosity

British Dictionary definitions for luminosity

noun plural -ties

Words related to luminosity