luminance

noun
lu·​mi·​nance | \ ˈlü-mə-nən(t)s How to pronounce luminance (audio) \

Definition of luminance

1 : the quality or state of being luminous
2 : the luminous intensity of a surface in a given direction per unit of projected area

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Synonyms for luminance

Synonyms

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Examples of luminance in a Sentence

the emerald had a pure, icy green luminance the landscapes of the French painter Claude Lorraine have a unique luminance that no other artist has quite captured
Recent Examples on the Web The problem pre-existed (and hasn’t been fixed by) recent update 03.21.16, and seems to be triggered whenever a white subpixel ignites above RGB 10 10 10 levels of luminance. John Archer, Forbes, "LG Promises A Resolution For Latest OLED TV Luminance Overshoot Issue," 28 Feb. 2021 Worse, something about the Freesync picture make up - luminance consistency requirements, perhaps, or a clash between the mode’s warm color temperature and the cooler natural backlight tone - causes much more noticeable backlight blooming. John Archer, Forbes, "Samsung QN65QN90A TV Review: Mini LED Marvel," 25 Feb. 2021 Even though these hues all differed by the same amount of luminance, the brain processed the pair of warm colors as being much more different from one another, compared to the two blues. Sara Harrison, Wired, "A New Study About Color Tries to Decode ‘The Brain’s Pantone’," 24 Nov. 2020 Scientists can calculate the wavelength of the light and the luminance, or brightness, of a color. Sara Harrison, Wired, "A New Study About Color Tries to Decode ‘The Brain’s Pantone’," 24 Nov. 2020 For example, yellow and brown are the same hue but differ in luminance. Sara Harrison, Wired, "A New Study About Color Tries to Decode ‘The Brain’s Pantone’," 24 Nov. 2020 But in reality, nature-loving volunteers in the U.S. contribute a great deal to on-the-ground research, from tracking sea turtles to monitoring the luminance of the night sky. Kristi Odom, National Geographic, "Americans are observing nature during the pandemic, helping scientists with research," 8 Sep. 2020 Telescopes pointed at the giant were able to determine that—rather than a tidy, uniform drop in luminance—Betelgeuse's dimming was unevenly distributed, giving the star an odd, squished shape when viewed from Earth. John Timmer, Ars Technica, "Astronomers kill all the fun, blame dust for Betelgeuse’s dimming," 14 Aug. 2020 This helped us evaluate color accuracy, peak brightness, contrast ratios, color gamut, luminance uniformity, color uniformity, and more with hard data instead of personal opinions. Jeff Dunn, Ars Technica, "Guidemaster: Finding the best gaming monitors you can buy in 2019," 23 Aug. 2019

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

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First Known Use of luminance

1867, in the meaning defined at sense 1

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Time Traveler for luminance

Time Traveler

The first known use of luminance was in 1867

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Statistics for luminance

Last Updated

22 Mar 2021

Cite this Entry

“Luminance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/luminance. Accessed 10 Apr. 2021.

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More Definitions for luminance

luminance

noun
lu·​mi·​nance | \ ˈlü-mə-nən(t)s How to pronounce luminance (audio) \

Medical Definition of luminance

1 : the quality or state of being luminous
2 : the luminous intensity of a surface in a given direction per unit of projected area

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More from Merriam-Webster on luminance

Thesaurus: All synonyms and antonyms for luminance

Britannica English: Translation of luminance for Arabic Speakers

Britannica.com: Encyclopedia article about luminance

Comments on luminance

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