Synfuel Definition
 sĭnfyo͝oəl 
    noun
  
 A fuel, as oil or gas produced from coal, or methane produced from plant cellulose, used as a substitute as for petroleum or natural gas.
 Webster's New World 
Other Word Forms of Synfuel
Noun
Singular:
 synfuelPlural:
 synfuelsOrigin of Synfuel
syn(thetic) fuel
From American Heritage Dictionary of the English Language, 5th Edition
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