# Lorentz–Lorenz equation

> equation relating the refractive index of a substance to its polarizability

**Wikidata**: [Q915684](https://www.wikidata.org/wiki/Q915684)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lorentz–Lorenz_equation)  
**Source**: https://4ort.xyz/entity/lorentz-lorenz-equation


## References

1. Freebase Data Dumps. 2013