# vacuum level

> property of a stationary electron outside of any material

**Wikidata**: [Q494243](https://www.wikidata.org/wiki/Q494243)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Vacuum_level)  
**Source**: https://4ort.xyz/entity/vacuum-level


## References

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