opposed-cylinder

adjective

1. (of an internal-combustion engine) having cylinders on opposite sides of the crankcase in the same plane

Example Sentences

Power is furnished by a very light (110 pounds) Darracq motor, of the double-opposed-cylinder type.

From Project Gutenberg

The crank-case of the radial cylinder or double-opposed cylinder engine would be substantially the same in length.

From Project Gutenberg