# Φ/φ

> phi or fi: twenty-first letter of the Greek alphabet

**Wikidata**: [Q10029](https://www.wikidata.org/wiki/Q10029)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Phi)  
**Source**: https://4ort.xyz/entity/phi


## References

1. Freebase Data Dumps. 2013
2. BabelNet