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aa

basaltic lava characterized by a rough or rubbly surface composed of broken lava blocks called clinker
Thing general Q1760892
aa
USGS[2] · Public Domain · Wikimedia
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Summary

aa ranks in the top 2% of general entities by monthly Wikipedia readership (169 views/month).[1]

Key Facts

  • aa is a type of lava flow[2].
  • aa's Commons category is recorded as Aa lava[3].
  • aa is the opposite of pahoehoe[4].
  • aa's name is recorded as {'lang': 'en', 'text': 'aa'}[5].

Body

Definition and Type

aa is a type of lava flow[2]. aa is the opposite of pahoehoe[4].

Why It Matters

aa ranks in the top 2% of general entities by monthly Wikipedia readership (169 views/month).[1] aa has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[6] aa is known by 21 alternative names across languages and contexts.[7]

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] ↑ . openlibrary.org. openlibrary.org. Provenance: wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [6] ↑ . Wikidata sitelinks. wikidata.org.
  3. [7] ↑ . 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). aa. Retrieved October 14, 2026, from https://4ort.xyz/entity/aa-q1760892
MLA “aa.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 2026, https://4ort.xyz/entity/aa-q1760892.
BibTeX @misc{4ortxyz_aa-q1760892_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{aa}}, year = {2026}, url = {https://4ort.xyz/entity/aa-q1760892}, note = {Accessed: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): aa — https://4ort.xyz/entity/aa-q1760892 (retrieved 2026-10-14)

Canonical URL: https://4ort.xyz/entity/aa-q1760892 · 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. 10d ago · عُثمان · 2026-10-04 view diff on Wikidata ↗
    Wikipedia languages → ['az', 'commons', 'de', 'en', 'et', 'fr', 'is', 'it', 'ja', 'ka', 'nds', 'oc', '
    Sciencedirect topic id → earth-and-planetary-sciences/aa-lava
    Claims rich → —
    "/* wbsetclaim-create:1||1 */ Sciencedirect topic id: earth-and-planetary-sciences/aa-lava, Matched to [[:toollabs:mix-n-match/#/entry/132395627|Aa Lava (#132395627)]] in [[:toollabs:mix-n-match/#/cata"
  2. 9w ago · Red Sneak · 2026-08-07 view diff on Wikidata ↗
    Subclass of → —
    Aliases → —
    Opposite of → pahoehoe
    Subclass of → lava flow
    "/* wbsetclaim-update:2||1 */ Image: Aa large.jpg"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.