See luminance in All languages combined, or Wiktionary
{
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"_dis1": "0 0 0",
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},
{
"_dis1": "0 0 0",
"word": "chrominance"
},
{
"_dis1": "0 0 0",
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}
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"The quality of being luminous."
],
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"luminous",
"luminous"
]
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],
"glosses": [
"The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle."
],
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{
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],
"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",
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"optics",
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[
"luminous flux",
"luminous flux"
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[
"solid angle",
"solid angle"
],
[
"luminous intensity",
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],
[
"stilb",
"stilb"
],
[
"apostilb",
"apostilb"
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],
"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."
],
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{
"_dis1": "23 19 58",
"code": "bg",
"lang": "Bulgarian",
"lang_code": "bg",
"roman": "osvetenost",
"sense": "luminous intensity per unit area",
"tags": [
"feminine"
],
"word": "осветеност"
},
{
"_dis1": "23 19 58",
"code": "fi",
"lang": "Finnish",
"lang_code": "fi",
"sense": "luminous intensity per unit area",
"word": "luminanssi"
},
{
"_dis1": "23 19 58",
"code": "fi",
"lang": "Finnish",
"lang_code": "fi",
"sense": "luminous intensity per unit area",
"word": "valotiheys"
},
{
"_dis1": "23 19 58",
"code": "de",
"lang": "German",
"lang_code": "de",
"sense": "luminous intensity per unit area",
"tags": [
"feminine"
],
"word": "Leuchtdichte"
},
{
"_dis1": "23 19 58",
"code": "hu",
"lang": "Hungarian",
"lang_code": "hu",
"sense": "luminous intensity per unit area",
"word": "fénysűrűség"
},
{
"_dis1": "23 19 58",
"code": "pt",
"lang": "Portuguese",
"lang_code": "pt",
"sense": "luminous intensity per unit area",
"tags": [
"feminine"
],
"word": "luminância"
}
],
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"Q355386"
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}
],
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"ipa": "/ˈluːmɪnəns/"
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{
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"word": "photometric brightness"
}
],
"word": "luminance"
}
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],
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{
"word": "bioluminance"
},
{
"word": "chrominance"
},
{
"word": "equiluminance"
}
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"related": [
{
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],
"senses": [
{
"glosses": [
"The quality of being luminous."
],
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],
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"countable",
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},
{
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"The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle."
],
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"countable",
"uncountable"
]
},
{
"categories": [
"en:Optics"
],
"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."
],
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[
"optics",
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[
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"luminous flux"
],
[
"solid angle",
"solid angle"
],
[
"luminous intensity",
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],
[
"stilb",
"stilb"
],
[
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]
],
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"(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": [
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{
"code": "bg",
"lang": "Bulgarian",
"lang_code": "bg",
"roman": "osvetenost",
"sense": "luminous intensity per unit area",
"tags": [
"feminine"
],
"word": "осветеност"
},
{
"code": "fi",
"lang": "Finnish",
"lang_code": "fi",
"sense": "luminous intensity per unit area",
"word": "luminanssi"
},
{
"code": "fi",
"lang": "Finnish",
"lang_code": "fi",
"sense": "luminous intensity per unit area",
"word": "valotiheys"
},
{
"code": "de",
"lang": "German",
"lang_code": "de",
"sense": "luminous intensity per unit area",
"tags": [
"feminine"
],
"word": "Leuchtdichte"
},
{
"code": "hu",
"lang": "Hungarian",
"lang_code": "hu",
"sense": "luminous intensity per unit area",
"word": "fénysűrűség"
},
{
"code": "pt",
"lang": "Portuguese",
"lang_code": "pt",
"sense": "luminous intensity per unit area",
"tags": [
"feminine"
],
"word": "luminância"
}
],
"word": "luminance"
}
Download raw JSONL data for luminance meaning in English (3.4kB)
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-02-01 from the enwiktionary dump dated 2026-01-01 using wiktextract (f492ef9 and 9905b1f). 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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