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opacity

property of an object or substance that is impervious to light
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opacity

Summary

opacity ranks in the top 2% of general entities by monthly Wikipedia readership (99 views/month).[1]

Key Facts

  • opacity's image is recorded as Opacity Translucency Transparency.svg[2].
  • opacity's subclass of is recorded as optical property[3].
  • opacity's Freebase ID is recorded as /m/09myyn[4].
  • opacity's Art & Architecture Thesaurus ID is recorded as 300056216[5].
  • opacity's Encyclopædia Britannica Online ID is recorded as science/opacity[6].
  • opacity's defining formula is recorded as I(x) = I_0 e^{-\kappa_\nu \rho x}[7].
  • opacity's Quora topic ID is recorded as Opaque[8].
  • opacity's Great Norwegian Encyclopedia ID is recorded as opasitet[9].
  • opacity's Great Norwegian Encyclopedia ID is recorded as opak[10].
  • opacity's maintained by WikiProject is recorded as WikiProject Mathematics[11].
  • opacity's Microsoft Academic ID is recorded as 60056205[12].
  • opacity's Lex ID is recorded as opacitet[13].
  • opacity's OpenAlex ID is recorded as C60056205[14].
  • opacity's Vikidia article ID is recorded as fr:Opacité[15].

Why It Matters

opacity ranks in the top 2% of general entities by monthly Wikipedia readership (99 views/month).[1] opacity has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[16] opacity is known by 12 alternative names across languages and contexts.[17]

Related Entities

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References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Art & Architecture Thesaurus. wikidata.org.
  3. [4] ↑ . Freebase Data Dumps. wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . Quora. wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  14. [15] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] ↑ . Wikidata sitelinks. wikidata.org.
  3. [17] ↑ . 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). opacity. Retrieved April 11, 2026, from https://4ort.xyz/entity/opacity
MLA “opacity.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/opacity.
BibTeX @misc{4ortxyz_opacity_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{opacity}}, year = {2026}, url = {https://4ort.xyz/entity/opacity}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): opacity — https://4ort.xyz/entity/opacity (retrieved 2026-04-11)

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