# terahertz

> SI unit of frequency equal to one trillion hertz or 1,000 gigahertz

**Wikidata**: [Q13548586](https://www.wikidata.org/wiki/Q13548586)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Terahertz_(unit))  
**Source**: https://4ort.xyz/entity/terahertz