hardness

measure of how resistant solid matter is to various kinds of permanent shape change when a force is applied
Product mechanical_properties_of_fiber Q3236003
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hardness

Summary

hardness is a mechanical properties of fiber[1]. hardness draws 3,665 Wikipedia views per month (mechanical_properties_of_fiber category, ranking #3 of 5).[2]

Key Facts

  • hardness's instance of is recorded as mechanical properties of fiber[3].
  • hardness's instance of is recorded as mechanical property[4].
  • hardness is a type of intensive quantity[5].
  • hardness is a type of Q141256417[6].
  • hardness is a type of solidity[7].
  • hardness's Commons category is recorded as Hardness[8].
  • hardness is the opposite of softness[9].
  • hardness's topic's main category is recorded as Category:Hardness[10].
  • hardness's facet of is recorded as firmness[11].
  • hardness's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[12].
  • hardness's described by source is recorded as Armenian Soviet Encyclopedia, vol. 1[13].
  • hardness's main Wikidata property is recorded as P5483[14].
  • hardness's equivalent class is recorded as http://purl.obolibrary.org/obo/TXPO_0003729[15].
  • hardness's different from is recorded as Mohs scale of mineral hardness[16].
  • hardness's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[17].
  • hardness's P14870 is recorded as ont00000766[18].
  • hardness's P14884 is recorded as 0000048[19].

Why It Matters

hardness draws 3,665 Wikipedia views per month (mechanical_properties_of_fiber category, ranking #3 of 5).[2] hardness has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[20] hardness is known by 56 alternative names across languages and contexts.[21]

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.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] ↑ . Wikidata sitelinks. wikidata.org.
  3. [21] ↑ . 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). hardness. Retrieved October 1, 2026, from https://4ort.xyz/entity/hardness
MLA “hardness.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Oct. 2026, https://4ort.xyz/entity/hardness.
BibTeX @misc{4ortxyz_hardness_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{hardness}}, year = {2026}, url = {https://4ort.xyz/entity/hardness}, note = {Accessed: 2026-10-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): hardness — https://4ort.xyz/entity/hardness (retrieved 2026-10-01)

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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. 14d ago · عُثمان · 2026-09-19 view diff on Wikidata ↗
    P14884 → 0000048
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0003729
    "/* wbsetclaim-create:2||1 */ [[Property:P14884]]: 0000048"
  2. 24d ago · Mahir256 · 2026-09-09 view diff on Wikidata ↗
    P14870 → ont00000766
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0003729
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/53024|batch #53024]]"
  3. 25d ago · عُثمان · 2026-09-08 view diff on Wikidata ↗
    P14853 → —
    "/* wbremoveclaims-remove:1| */ [[Property:P14853]]: 0002427, Moving to [[Q141365673]]"
  4. 25d ago · ZI Jony · 2026-09-08 view diff on Wikidata ↗
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0003729
    P14853 → —
    "/* wbsetclaim-create:2||1 */ [[Property:P14853]]: 0002427"
  5. 27d ago · عُثمان · 2026-09-06 view diff on Wikidata ↗
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0003729
    Subclass of → intensive quantity, Q141256417, solidity
    "/* wbsetclaim-create:2||1 */ [[Property:P1709]]: https://www.commoncoreontologies.org/ont00000766"
  6. 27d ago · عُثمان · 2026-09-06 view diff on Wikidata ↗
    Equivalent class → http://purl.obolibrary.org/obo/TXPO_0003729
    Subclass of → intensive quantity, Q141256417, solidity
    "/* wbsetclaim-create:2||1 */ [[Property:P1709]]: http://purl.obolibrary.org/obo/TXPO_0003729"
  7. 5w ago · عُثمان · 2026-08-29 view diff on Wikidata ↗
    Subclass of → intensive quantity, Q141256417, solidity
    "/* wbremoveclaims-remove:1| */ [[Property:P279]]: [[Q1409260]]"
  8. 16w ago · Jindřich Rubeš · 2026-06-12 view diff on Wikidata ↗
    Svkkl authority id → 0229769-tvrdost
    "/* wbcreateclaim-create:1| */ [[Property:P9322]]: 0229769-tvrdost, [[:toollabs:quickstatements/#/batch/259494|batch #259494]]"
  9. 19w ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Different from → Mohs scale of mineral hardness
    Facet of → firmness
    Subclass of → intensive quantity, Q141256417, solidity
    Instance of → —
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|7 */ [[Property:P2347]]: 15220, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.