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etendue

conserved property of the light in an optical system which characterizes how "spread out" the light is in terms of angle and area
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etendue

Summary

etendue has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[1]

Key Facts

  • etendue is part of optics[2].
  • etendue's Commons category is recorded as Etendue[3].

Body

Use and Application

etendue is part of optics[2].

Why It Matters

etendue has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[1] etendue is known by 6 alternative names across languages and contexts.[4]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikidata sitelinks. wikidata.org.
  2. [4] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). etendue. Retrieved April 10, 2026, from https://4ort.xyz/entity/etendue
MLA “etendue.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/etendue.
BibTeX @misc{4ortxyz_etendue_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{etendue}}, year = {2026}, url = {https://4ort.xyz/entity/etendue}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): etendue — https://4ort.xyz/entity/etendue (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/etendue · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 11d ago · Midleading · 2026-07-08 view diff on Wikidata ↗
    Aliases → —
    Part of → optics
    Part of → —
    Quantity symbol (latex) → G
    "/* wbsetclaim-create:2||1 */ [[Property:P7973]]: G"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.