# sphere

> round, rotationally symmetric shape of the 2D surface of a ball in 3D space

**Wikidata**: [Q12507](https://www.wikidata.org/wiki/Q12507)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sphere)  
**Source**: https://4ort.xyz/entity/sphere-q12507-2


## References

1. Integrated Authority File
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=38152)
3. [Source](https://lingualibre.org/wiki/Q787990)
4. Nuovo soggettario
5. Freebase Data Dumps. 2013
6. BBC Things
7. BabelNet
8. National Library of Israel
9. KBpedia
10. GF WordNet