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upstroke

[ uhp-strohk ]
/ ˈʌpˌstroʊk /
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noun
an upward stroke, especially of a pen or pencil, or of a piston in a vertical cylinder.
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Origin of upstroke

First recorded in 1820–30; up- + stroke1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use upstroke in a sentence

British Dictionary definitions for upstroke

upstroke
/ (ˈʌpˌstrəʊk) /

noun
  1. an upward stroke or movement, as of a pen or brush
  2. the mark produced by such a stroke
the upward movement of a piston in a reciprocating engine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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