luminance
noun
lu·mi·nance
ˈlü-mə-nən(t)s 
1
: the quality or state of being luminous
2
: the luminous intensity of a surface in a given direction per unit of projected area
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
Dell rates this ultrawide monitor at 350 nits (candelas per square meter) of brightness, though in our tests, the monitor reached a peak luminance of just 265 nits.
—
PC Magazine, 10 Apr. 2025
The contrast ratio indicates the difference in luminance between the brightest white and the darkest black a monitor can produce.
—PC Magazine, 31 Mar. 2025
The contrast ratio indicates the difference in luminance between the brightest white and the darkest black that a monitor can produce.
—PCMAG, 18 Mar. 2025
Its 14-bit raw DNG images provide the most leeway to edit color and exposure in the lower register (ISO 100-3200), as well as the least amount of luminance noise, the digital version of film grain.
—PCMAG, 14 Mar. 2025
See All Example Sentences for luminance
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PC Magazine, 10 Apr. 2025
The contrast ratio indicates the difference in luminance between the brightest white and the darkest black a monitor can produce.
—PC Magazine, 31 Mar. 2025
The contrast ratio indicates the difference in luminance between the brightest white and the darkest black that a monitor can produce.
—PCMAG, 18 Mar. 2025
Its 14-bit raw DNG images provide the most leeway to edit color and exposure in the lower register (ISO 100-3200), as well as the least amount of luminance noise, the digital version of film grain.
—PCMAG, 14 Mar. 2025
See All Example Sentences for luminance
Cite this Entry
“Luminance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/luminance. Accessed 2 May. 2025.
Copy CitationMedical Definition
luminance
noun
lu·mi·nance
ˈlü-mə-nən(t)s
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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