plural of reversing machine

The cylinder of a small auxiliary steam engine.

A shaft which permits a reversal of the order of steam passage through the ports of a steam engine.

plural of reversing shaft

plural of reversing siding

(rail transport, UK) A siding provided for terminating passenger trains, usually at a through station, where a train can lay over between journeys before heading back in the opposite direction.

(rail transport) A loop provided for the purpose of turning a train or tram round to face in the opposite direction. The vehicles themselves do not have to reverse.

plural of reversing loop

(aviation) The actuation via purely mechanical means (using cables and/or pushrods) of one or more control surfaces that are usually controlled by hydraulics.

Any of several reversals in the polarity of the Earth's magnetic field (such that a compass points South) that have happened over geologic time.