nen so
1. phlogiston
Noun
#158721
1. phlogiston
1. If/when fuel; If it were fuel
1. Not a fuel.; Not combustible.
1. Was not a fuel.; Was not combustible.
1. It's not a fuel.; It's not combustible.
1. If/when burning element; If/when combustible material
1. It is not a fuel.; It is not combustible.
1. Wasn't fuel.; Wasn't combustible.
1. Probably combustible.; Probably flammable.
1. Was a combustible substance.