plural of atmospheric engine

plural of gas engine

An engine in which motion is communicated to the piston by the alternate admission and condensation of gas in a closed cylinder.

plural of engine turning

An ornamental design made by a rose engine, for example on the back of a watch.

plural of compound engine

A condensing engine in which the mechanical action of the steam begins in one cylinder and ends in a larger cylinder.

plural of dividing engine

(historical) An instrument for graduating the scales of scientific apparatus.

plural of air engine