from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An inward stroke, especially a piston stroke moving away from the crankshaft.
from the GNU version of the Collaborative International Dictionary of English
- n. An inward stroke; specif., in a steam or other engine, a stroke in which the piston is moving away from the crank shaft; -- opposed to
from The Century Dictionary and Cyclopedia
- n. In an engine, that stroke during which the plunger enters into the cylinder; in a single-acting engine, the exhaust stroke.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the stroke of an engine piston moving away from the crankshaft
Sorry, no etymologies found.