Having the quality of causing combustion.

Having the property of kindling or setting on fire. Obsolete.

That kindles fire (in various senses).

= inflammatory, adj.

Of, pertaining to, characterized by, or causing an inflamed or blazing condition. Obsolete.

Pertaining or tending to conflagration; inflammatory.

That starts a fire; esp. that sets fires as a malicious or criminal act. Also: characterized by the setting of fires. Cf. firesetter, n., fire-setting…

of or pertaining to incendivity; capable of effecting ignition.