luminance
/ˈluːmɪnəns/ noun
Forms luminances
- noun The quality of being luminous.
- noun The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle.
- noun (optics) 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.
Synonyms
photometric brightness luminosity brightness brightness level luminousness light
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “luminance”, CC BY-SA 4.0. Details