roentgen

legacy unit of measurement for the kerma of X-rays and gamma rays up to 3 MeV; equals 0.258 mC/kg
Intangible unit_of_exposure Q321017
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roentgen

Summary

roentgen is an unit of exposure[1]. roentgen draws 2,493 Wikipedia views per month (unit_of_exposure category, ranking #1 of 1).[2]

Key Facts

  • roentgen's instance of is recorded as unit of exposure[3].
  • roentgen's instance of is recorded as UCUM derived unit[4].
  • roentgen's measured physical quantity is recorded as exposure[5].
  • roentgen's measured physical quantity is recorded as ion dose[6].
  • Wilhelm Röntgen is named after roentgen[7].
  • roentgen's described by source is recorded as Armenian Soviet Encyclopedia[8].
  • roentgen's different from is recorded as Roentgen equivalent man[9].
  • roentgen's conversion to SI unit is recorded as {'unit': 'Q28683485', 'amount': '+0.000258'}[10].
  • roentgen's unit symbol is recorded as {'lang': 'en', 'text': 'R'}[11].

Body

Definition and Type

Recorded instance of include unit of exposure[3] and UCUM derived unit[4].

Origins

Wilhelm Röntgen is named after roentgen[7].

Why It Matters

roentgen draws 2,493 Wikipedia views per month (unit_of_exposure category, ranking #1 of 1).[2] roentgen has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[12] roentgen is known by 26 alternative names across languages and contexts.[13]

📑 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). roentgen. Retrieved May 3, 2026, from https://4ort.xyz/entity/roentgen
MLA “roentgen.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/roentgen.
BibTeX @misc{4ortxyz_roentgen_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{roentgen}}, year = {2026}, url = {https://4ort.xyz/entity/roentgen}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): roentgen — https://4ort.xyz/entity/roentgen (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. 7d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Named after Wilhelm Röntgen
    Measured physical quantity exposure, ion dose
    Conversion to si unit {'unit': 'Q28683485', 'amount': '+0.000258'}
    Different from Roentgen equivalent man
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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