# lower flammable limit

> lower bound of the concentration range over which a flammable mixture of gas or vapour in air can be ignited at a given temperature and pressure

**Wikidata**: [Q21069421](https://www.wikidata.org/wiki/Q21069421)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lower_flammability_limit)  
**Source**: https://4ort.xyz/entity/lower-flammable-limit
