# number of entities

> discrete quantity; number of entities of a given kind in a system

**Wikidata**: [Q614112](https://www.wikidata.org/wiki/Q614112)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Number_of_entities)  
**Source**: https://4ort.xyz/entity/number-of-entities


## References

1. ISO 80000-1:2009 Quantities and units—Part 1: General
2. ISO 80000-9:2019 Quantities and units — Part 9: Physical chemistry and molecular physics