English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

luminance

Luminance (noun) means the quality of being luminous.

noun
1
The quality of being luminous.
2
The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle.
3
The luminous flux emitted in a given direction divided by the product of the projected area of the source element perpendicular to the direction and the solid angle containing that direction (i.e. luminous intensity divided by unit area), measured in stilbs or apostilbs.
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “luminance” A quick quiz — meaning, synonyms & usage

Rhymes for luminance

See all rhymes for luminance →

Frequently asked questions

What is the meaning of luminance?

"luminance" (noun) means the quality of being luminous.

What are the different meanings of luminance?

"luminance" has 3 main meanings: 1. The quality of being luminous; 2. The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle; 3. The luminous flux emitted in a given direction divided by the product of the projected area of the source element perpendicular to the direction and the solid angle containing that direction (i.e. luminous intensity divided by unit area), measured in stilbs or apostilbs.

Definitions from wiktionary, CC BY-SA