gray

SI unit of absorbed dose of ionizing radiation
Intangible si_unit_with_special_name Q190095
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gray

Summary

gray is a SI unit with special name[1]. gray has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • gray's instance of is recorded as SI unit with special name[3].
  • gray's instance of is recorded as UCUM derived unit[4].
  • gray's instance of is recorded as unit of absorbed dose[5].
  • gray's instance of is recorded as unit of kerma[6].
  • gray's instance of is recorded as unit of specific energy[7].
  • gray's measured physical quantity is recorded as absorbed dose[8].
  • gray's measured physical quantity is recorded as kerma[9].
  • gray's measured physical quantity is recorded as specific energy imparted[10].
  • Louis Harold Gray is named after gray[11].
  • gray's conversion to SI unit is recorded as {'unit': 'Q190095', 'amount': '+1'}[12].
  • gray's Wikidata SPARQL query equivalent is recorded as wd:Q190095 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)[13].
  • gray's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[14].
  • gray's unit symbol is recorded as {'lang': 'en', 'text': 'Gy'}[15].
  • gray's unit symbol is recorded as {'lang': 'ru', 'text': 'Гр'}[16].
  • gray's unit symbol is recorded as {'lang': 'hy', 'text': 'Գր'}[17].
  • gray's unit symbol is recorded as {'lang': 'cs', 'text': 'Gy'}[18].
  • gray's unit symbol is recorded as {'lang': 'bg', 'text': 'Gy'}[19].
  • gray's unit symbol is recorded as {'lang': 'lb', 'text': 'Gy'}[20].
  • gray's maintained by WikiProject is recorded as WikiProject Mathematics[21].
  • gray's derived from base unit is recorded as metre[22].
  • gray's derived from base unit is recorded as second[23].

Body

Definition and Type

Recorded instance of include SI unit with special name[3], UCUM derived unit[4], unit of absorbed dose[5], unit of kerma[6], and unit of specific energy[7].

Origins

Louis Harold Gray is named after gray[11].

Why It Matters

gray has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[2] gray is known by 30 alternative names across languages and contexts.[24]

References

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

Direct Wikidata claims

  1. [3] . SI Brochure (9th edition). wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  7. [9] . SI Brochure (9th edition): Concise summary. wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Logopedia. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [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). gray. Retrieved May 3, 2026, from https://4ort.xyz/entity/gray
MLA “gray.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/gray.
BibTeX @misc{4ortxyz_gray_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{gray}}, year = {2026}, url = {https://4ort.xyz/entity/gray}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): gray — https://4ort.xyz/entity/gray (retrieved 2026-05-03)

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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. 22d ago · Yirba · 2026-06-19 view diff on Wikidata ↗
    Instance of SI unit with special name, UCUM derived unit, unit of absorbed dose +2
    Maintained by wikiproject WikiProject Mathematics
    Named after Louis Harold Gray
    Aliases
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37385|batch #37385]]: Encyclopedia of China (Third Edition) ID (2026) ([[Property:P14541]])"
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