Wikipedia definition
1. Flammability limitFlammability limits, also called flammable limits, give the proportion of combustible gases in a mixture, between which limits this mixture is flammable. Gas mixtures consisting of combustible, oxidizing, and inert gases are only flammable under certain conditions. The lower flammable limit (LFL) describes the leanest mixture that still sustains a flame, i.e. the mixture with the smallest fraction of combustible gas, while the upper flammable limit (UFL) gives the richest flammable mixture.
Read “Flammability limit” on English Wikipedia
Read “爆発限界” on Japanese Wikipedia
Read “Flammability limit” on DBpedia


to talk about this word.