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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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aa

Summary

aa has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[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 has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[1] aa is known by 15 alternative names across languages and contexts.[6]

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] ↑ . Wikidata sitelinks. wikidata.org.
  2. [6] ↑ . 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 April 10, 2026, from https://4ort.xyz/entity/aa-q1760892
MLA “aa.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 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: 2026-04-10}}
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 2026-04-10)

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. 13d ago · Red Sneak · 2026-08-07 view diff on Wikidata ↗
    Subclass of → —
    Aliases → —
    Opposite of → pahoehoe
    Subclass of → lava flow
    "/* wbsetclaim-update:2||1 */ [[Property:P18]]: Aa large.jpg"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.