The Collaborative International Dictionary
Artificial fuel
Fuel \Fu"el\, n. [OF. fouail, fuail, or fouaille, fuaille, LL. focalium, focale, fr. L. focus hearth, fireplace, in LL., fire. See Focus.] [Formerly written also fewel.]
Any matter used to produce heat by burning; that which feeds fire; combustible matter used for fires, as wood, coal, peat, etc.
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Anything that serves to feed or increase passion or excitement.
Artificial fuel, fuel consisting of small particles, as coal dust, sawdust, etc., consolidated into lumps or blocks.