# gravitational coupling constant

> coupling constant characterizing the gravitational attraction between two elementary particles having nonzero mass

**Wikidata**: [Q32021](https://www.wikidata.org/wiki/Q32021)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gravitational_coupling_constant)  
**Source**: https://4ort.xyz/entity/gravitational-coupling-constant


## References

1. Freebase Data Dumps. 2013