An engine for marine use, installed in a boat or ship. For small vessels, these are usually adapted automotive engines; for large vessels they are specially built for the purpose.

Synonym of motor oil

plural of engine oil

plural of marine engine

plural of aero engine

A vertical steam engine in which the cylinder stands above the crank.

A kind of beam engine used mainly for pumping water from mines. A heavy pump rod or plunger, raised by the steam, forces up the water by its weight in descending.

plural of Cornish engine

A condensing engine like a steam engine, but operated by ether vapour instead of steam.

A civil engineer who determines the best course for a road or railway by surveying the available terrain.