outstroke

American

[out-strohk] / ˈaʊtˌstroʊk /

noun

a stroke in an outward direction.
(in an engine) the stroke during which the piston rod moves outward from the cylinder.

Etymology

Origin of outstroke

First recorded in 1850–55; out- + stroke ¹

Example Sentences

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outstroke

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.

From Scientific American Supplement, No. 484, April 11, 1885 by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023