Internal-combustion_engineWordNet Explorer

a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine

any engine that makes use of heat to do work

a boat propelled by an internal-combustion engine

a self-propelled wheeled vehicle that does not run on rails

an internal-combustion engine that burns heavy oil

an internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke; work is done on the third stroke and the products of combustion are exhausted on the fourth stroke

an internal-combustion engine similar to a gasoline engine but using natural gas instead of gasoline vapor

an internal-combustion engine that burns gasoline; most automobiles are driven by gasoline engines