# pebble

> clast of rock (between 4–64 mm in diameter according to Wentworth-Udden scale)

**Wikidata**: [Q14673](https://www.wikidata.org/wiki/Q14673)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pebble)  
**Source**: https://4ort.xyz/entity/pebble


## References

1. Encyclopædia Britannica Online
2. BBC Things
3. Udden-Wentworth scale
4. BabelNet
5. Environment Ontology
6. KBpedia
7. GF WordNet
8. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)