# free surface

> surface of a fluid that is subject to constant perpendicular stress of pressures in equilibrium and zero parallel shear stress; surface not created by the container

**Wikidata**: [Q1454008](https://www.wikidata.org/wiki/Q1454008)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Free_surface)  
**Source**: https://4ort.xyz/entity/free-surface


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)