See luminance on Wiktionary
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"en", "name": "Physical quantities", "orig": "en:Physical quantities", "parents": [ "Physics", "Sciences", "All topics", "Fundamental" ], "source": "w+disamb" } ], "glosses": [ "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." ], "id": "en-luminance-en-noun-en:Q355386", "links": [ [ "optics", "optics" ], [ "luminous flux", "luminous flux" ], [ "solid angle", "solid angle" ], [ "luminous intensity", "luminous intensity" ], [ "stilb", "stilb" ], [ "apostilb", "apostilb" ] ], "raw_glosses": [ "(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." ], "senseid": [ "en:Q355386" ], "tags": [ "countable", "uncountable" ], "topics": [ "engineering", "natural-sciences", "optics", "physical-sciences", "physics" ], "translations": [ { "_dis1": "17 24 59", "code": "bg", "lang": "Bulgarian", "roman": "osvetenost", "sense": "luminous intensity per unit area", "tags": [ "feminine" ], "word": "осветеност" }, { "_dis1": "17 24 59", "code": "fi", "lang": "Finnish", "sense": "luminous intensity per unit area", "word": "luminanssi" }, { "_dis1": "17 24 59", "code": "fi", "lang": "Finnish", "sense": "luminous intensity per unit area", "word": "valotiheys" }, { "_dis1": "17 24 59", "code": "de", "lang": "German", "sense": "luminous intensity per unit area", "tags": [ "feminine" ], "word": "Leuchtdichte" }, { "_dis1": "17 24 59", "code": "hu", "lang": "Hungarian", "sense": "luminous intensity per unit area", "word": "fénysűrűség" }, { "_dis1": "17 24 59", "code": "pt", "lang": "Portuguese", "sense": "luminous intensity per unit area", "tags": [ "feminine" ], "word": "luminância" } ], "wikidata": [ "Q355386" ] } ], "synonyms": [ { "_dis1": "0 0 0", "word": "photometric brightness" } ], "wikipedia": [ "luminance" ], "word": "luminance" } { "forms": [ { "form": "luminances", "tags": [ "plural" ] } ], "head_templates": [ { "args": { "1": "f" }, "expansion": "luminance f (plural luminances)", "name": "fr-noun" } ], "lang": "French", "lang_code": "fr", "pos": "noun", "senses": [ { "categories": [ { "kind": "other", "name": "French entries with incorrect language header", "parents": [ "Entries with incorrect language header", "Entry maintenance" ], "source": "w" }, { "kind": "other", "name": "Pages with 2 entries", "parents": [], "source": "w" }, { "kind": "other", "name": "Pages with entries", "parents": [], "source": "w" } ], "glosses": [ "luminance" ], "id": "en-luminance-fr-noun-HQddCWon", "links": [ [ "luminance", "luminance#English" ] ], "tags": [ "feminine" ] } ], "sounds": [ { "audio": "LL-Q150 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This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2025-03-23 from the enwiktionary dump dated 2025-03-21 using wiktextract (fef8596 and 633533e). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
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