matter, substance - that which has mass and occupies space; "an atom is the smallest indivisible unit of matter"

biomass - plant materials and animal waste used as fuel

butane - occurs in natural gas; used in the manufacture of rubber and fuels

charcoal, wood coal - a carbonaceous material obtained by heating wood or other organic matter in the absence of air

coal gas - gaseous mixture produced by distillation of bituminous coal and used for heating and lighting

coke - carbon fuel produced by distillation of coal

diesel fuel, diesel oil - a heavy mineral oil used as fuel in diesel engines

fossil fuel - fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content

fuel oil, heating oil - a petroleum product used for fuel

gasohol - a gasoline substitute consisting of 90% gasoline and 10% grain alcohol from corn

gasolene, gasoline, petrol, gas - a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines

illuminant - something that can serve as a source of light

coal oil, kerosene, kerosine, lamp oil - a flammable hydrocarbon oil used as fuel in lamps and heaters

methanol, methyl alcohol, wood alcohol, wood spirit - a light volatile flammable poisonous liquid alcohol; used as an antifreeze and solvent and fuel and as a denaturant for ethyl alcohol

nuclear fuel - fuel (such as uranium) that can be used in nuclear reactors as a source of electricity

propane - colorless gas found in natural gas and petroleum; used as a fuel

red fire - combustible material (usually salts of lithium or strontium) that burns bright red; used in flares and fireworks

combustible, combustible material - a substance that can be burned to provide heat or power

water gas - a mixture of hydrogen and carbon monoxide with small amounts of other gases; made by blowing steam over hot coke or coal

firewood - wood used for fuel; "they collected and cut their own firewood"

igniter, ignitor, lighter - a substance used to ignite or kindle a fire

furnish, provide, supply, render - provide or furnish with; "We provided the room with an electrical heater"

gas up - fill with gasoline; "Gas up the car"

refuel - provide with additional fuel, as of aircraft, ships, and cars

bunker - fill (a ship's bunker) with coal or oil

furnish, provide, supply, render - provide or furnish with; "We provided the room with an electrical heater"

take up, take in - accept; "The cloth takes up the liquid"

refuel - take on more fuel, as of a plane, ship, or car

stimulate, stir, shake up, shake, excite - stir the feelings, emotions, or peace of; "These stories shook the community"; "the civil war shook the country"