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diameter

straight line segment that passes through the center of a circle; its length
Thing general Q37221
diameter
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diameter

Summary

diameter ranks in the top 2% of general entities by monthly Wikipedia readership (1,958 views/month).[1]

Key Facts

  • diameter is a type of line segment[2].
  • diameter is a type of physical quantity[3].
  • diameter is a type of length[4].
  • diameter is a type of geometric property[5].
  • diameter's Unicode character is recorded as ⌀[6].
  • diameter's Commons gallery is recorded as Diameter[7].
  • diameter's described by source is recorded as ISO 80000-3:2006 Quantities and units — Part 3: Space and time[8].
  • diameter's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[9].
  • diameter's described by source is recorded as Small Brockhaus and Efron Encyclopedic Dictionary[10].
  • diameter's described by source is recorded as Explanatory Dictionary of the Living Great Russian Language[11].
  • diameter's described by source is recorded as ISO 80000-3:2019 Quantities and units — Part 3: Space and time[12].
  • diameter's described by source is recorded as Encyclopædia Britannica 11th edition[13].
  • diameter's described by source is recorded as New International Encyclopedia[14].
  • diameter's main Wikidata property is recorded as P2386[15].
  • diameter's equivalent class is recorded as https://www.commoncoreontologies.org/ont00000541[16].
  • diameter's different from is recorded as Q9395776[17].
  • diameter's has part is recorded as radius[18].
  • diameter's has part is recorded as antipodal point[19].
  • diameter's maintained by WikiProject is recorded as WikiProject Mathematics[20].
  • diameter's recommended unit of measurement is recorded as metre[21].
  • diameter's P14870 is recorded as ont00000541[22].

Body

Definition and Type

Recorded subclass of include line segment[2], physical quantity[3], length[4], and geometric property[5].

Why It Matters

diameter ranks in the top 2% of general entities by monthly Wikipedia readership (1,958 views/month).[1] diameter has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[23] diameter is known by 56 alternative names across languages and contexts.[24]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [23] ↑ . Wikidata sitelinks. wikidata.org.
  3. [24] ↑ . 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). diameter. Retrieved October 1, 2026, from https://4ort.xyz/entity/diameter
MLA “diameter.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Oct. 2026, https://4ort.xyz/entity/diameter.
BibTeX @misc{4ortxyz_diameter_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{diameter}}, year = {2026}, url = {https://4ort.xyz/entity/diameter}, note = {Accessed: 2026-10-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): diameter — https://4ort.xyz/entity/diameter (retrieved 2026-10-01)

Canonical URL: https://4ort.xyz/entity/diameter · 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. 24d ago · Mahir256 · 2026-09-09 view diff on Wikidata ↗
    P14870 → ont00000541
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/53024|batch #53024]]"
  2. 26d ago · عُثمان · 2026-09-07 view diff on Wikidata ↗
    Equivalent class → https://www.commoncoreontologies.org/ont00000541
    "/* wbsetclaim-create:2||1 */ [[Property:P1709]]: https://www.commoncoreontologies.org/ont00000541"
  3. 19w ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Different from → Q9395776
    Maintained by wikiproject → WikiProject Mathematics
    Local thumb → —
    Subclass of → line segment, physical quantity, length +1
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|9 */ [[Property:P2347]]: 39029, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.