# mass diffusivity

> proportionality constant in some physical laws

**Wikidata**: [Q604008](https://www.wikidata.org/wiki/Q604008)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mass_diffusivity)  
**Source**: https://4ort.xyz/entity/mass-diffusivity


## References

1. Freebase Data Dumps. 2013
2. ISO 80000-9:2019 Quantities and units — Part 9: Physical chemistry and molecular physics
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)