Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An inward stroke, especially a piston stroke moving away from the crankshaft.
from The Century Dictionary.
- noun In an engine, that stroke during which the plunger enters into the cylinder; in a single-acting engine, the exhaust stroke.
from the GNU version of the Collaborative International Dictionary of English.
- noun 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
outstroke .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the stroke of an engine piston moving away from the crankshaft
Etymologies
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Examples
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The instroke of the motor compresses the charge into the conical space at the end of the cylinder, and, when fully compressed, ignition is effected by means of the slide I have upon the table.
Scientific American Supplement, No. 484, April 11, 1885 Various
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Its cycle is: First outstroke, gas and air sucked into the cylinder; first instroke, gas and air compressed into space; second outstroke, impulse due to ignition; second instroke, discharge of exhausted gases.
Scientific American Supplement, No. 484, April 11, 1885 Various
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Rational Review 2009
hernesheir commented on the word instroke
An entry from a mine owned by one party into a mine owned by another, for which instroke-rent was charged.
September 21, 2011