- an engine where motion associated with the piston is made by the burning or sudden manufacturing or development of fuel; -- specially, an engine where an explosive combination of gas and atmosphere is forced to the working cylinder and ignited indeed there by a gas flame or an electric spark.
- an internal-combustion motor similar to a gasoline motor but using propane in the place of gas vapor
- A kind of internal-combustion engine (which see) making use of fixed fuel; additionally, broadly, any internal-combustion engine.
Hypernym for "gas engine"
- internal-combustion engine
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