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rad

non-SI unit measuring absorbed dose of ionizing radiation
Intangible ucum_derived_unit Q1052397
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rad

Summary

rad is an UCUM derived unit[1]. rad has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • rad's instance of is recorded as UCUM derived unit[3].
  • rad's instance of is recorded as unit of absorbed dose[4].
  • rad's instance of is recorded as unit of kerma[5].
  • rad's measured physical quantity is recorded as absorbed dose[6].
  • rad's measured physical quantity is recorded as kerma[7].
  • rad's measured physical quantity is recorded as specific energy imparted[8].
  • rad's conversion to SI unit is recorded as {'unit': 'Q190095', 'amount': '+0.01'}[9].
  • rad's Wikidata SPARQL query equivalent is recorded as wd:Q1052397 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)[10].
  • rad's unit symbol is recorded as {'lang': 'en', 'text': 'rad'}[11].
  • rad's unit symbol is recorded as {'lang': 'ru', 'text': 'рад'}[12].

Body

Definition and Type

Recorded instance of include UCUM derived unit[3], unit of absorbed dose[4], and unit of kerma[5].

Why It Matters

rad has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[2] rad is known by 10 alternative names across languages and contexts.[13]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [13] ↑ . 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). rad. Retrieved May 3, 2026, from https://4ort.xyz/entity/rad-q1052397-2
MLA “rad.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rad-q1052397-2.
BibTeX @misc{4ortxyz_rad-q1052397-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{rad}}, year = {2026}, url = {https://4ort.xyz/entity/rad-q1052397-2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): rad — https://4ort.xyz/entity/rad-q1052397-2 (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. 12d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → ['1oE4HU', '1EQCUx']
    Instance of → UCUM derived unit, unit of absorbed dose, unit of kerma
    Measured physical quantity → absorbed dose, kerma, specific energy imparted
    Conversion to si unit → {'unit': 'Q190095', 'amount': '+0.01'}
    + 2 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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