# variometer

> flight instrument in an aircraft used to inform the pilot of the rate of descent or climb

**Wikidata**: [Q675186](https://www.wikidata.org/wiki/Q675186)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Variometer)  
**Source**: https://4ort.xyz/entity/variometer


## References

1. Nuovo soggettario
2. Freebase Data Dumps. 2013
3. GF WordNet