# coherent derived unit

> derived unit that, for a given system of quantities and for a chosen set of base units, is a product of powers of base units with no other proportionality factor than one (International Vocabulary of Metrology)

**Wikidata**: [Q15155948](https://www.wikidata.org/wiki/Q15155948)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Coherent_derived_unit)  
**Source**: https://4ort.xyz/entity/coherent-derived-unit
