ignite

IPA: ɪgnˈaɪt

(transitive) to set fire to (something), to light (something)
(transitive) to spark off (something), to trigger
(intransitive) to commence burning.
(chemistry, transitive) To subject to the action of intense heat; to heat strongly; often said of incombustible or infusible substances.

Examples of "ignite" in Sentences

But as to your question, 3f or 4f black powder will easily ignite from a spark.
Keeping everything dry enough to ignite is the ultimate "exercise in futility"!
If both people 'ignite' they can see each other's profile and instant message on the network.
Uncedo's return could "ignite" the situation and innocent people boarding taxis could be caught in the crossfire again.
In addition to sparking iPad sales, the cuts would purportedly be part of a larger strategy to "ignite" interest in iTunes 'video section as a whole.
Our reporter from our affiliate WHDH was talking about how these storms kind of ignite just before they hit Boston, and that's exactly what we're seeing.
Russian ECLS specialists have estimated that approximately 20% of the onboard SFOGs will not ignite, which is taken into account in the onboard O2 supplies estimates.
The problem with this is that it takes more energy to keep the fusion going that the fusion releases, so one of ITER's main goals is to "ignite" a self-sustaining fusion reaction.