from the GNU version of the Collaborative International Dictionary of English
- n. an engine in which the motion of the piston is produced by the combustion or sudden production or expansion of gas; -- especially, an engine in which an explosive mixture of gas and air is forced into the working cylinder and ignited there by a gas flame or an electric spark.
- A kind of internal-combustion engine (which see) using fixed gas; also, broadly, any internal-combustion engine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an internal-combustion engine similar to a gasoline engine but using natural gas instead of gasoline vapor
Sorry, no etymologies found.