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Dictionary

Words, grammatical forms and meanings linked to the ontology.

luminance en · NOUN

Pronunciation

  • /ˈluːmɪnəns/
  • (Southern-England) audio

Meanings

  1. (countable, uncountable) The quality of being luminous.
  2. (countable, uncountable) The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle.
  3. (countable, uncountable) 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.

Forms

SpellingFeaturesLabelsSource
luminances Number=Plur lexicographic

Deriveds

equiluminance · bioluminance · chrominance

Relateds

brightness

Synonyms

photometric brightness

Translations (7)

hu fénysűrűség (luminous intensity per unit area) · de Leuchtdichte (luminous intensity per unit area) · bg осветеност (luminous intensity per unit area) · fi luminanssi (luminous intensity per unit area) · fi valotiheys (luminous intensity per unit area) · pl luminancja (luminous intensity per unit area) · pt luminância (luminous intensity per unit area)

wikidata: Q355386