# compressed hydrogen

> gaseous state of the element hydrogen kept under pressure

**Wikidata**: [Q5157025](https://www.wikidata.org/wiki/Q5157025)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Compressed_hydrogen)  
**Source**: https://4ort.xyz/entity/compressed-hydrogen


## References

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