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piston rod

noun

  1. a rod communicating the rectilinear motion of a piston to the small end of a connecting rod or elsewhere.


piston rod

noun

  1. the rod that connects the piston of a reciprocating steam engine to the crosshead
  2. a less common name for a connecting rod
“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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Word History and Origins

Origin of piston rod1

First recorded in 1780–90
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Example Sentences

When he got there, the hood of the Hudson was open and several men were staring at the stricken engine, which had been neatly bisected by a flying piston rod.

Assembly of VW's top-selling model at the carmaker's largest factory will be suspended on Friday, Monday and Tuesday after a piston rod inside the stamping plant's engine broke, the carmaker said on Thursday.

From Reuters

The loud noise that Abbey and I had heard was the outboard engine throwing a piston rod, though we didn’t know that at the time.

“The right hand whipping like a piston rod which has broken through the crankcase, or like a baseball bat demolishing a pumpkin,” Norman Mailer, a ringside witness, recalled in an essay.

Thus a piston rod may be finished and polished to the maximum degree consistent with maintaining its parallelism and truth, while a connecting rod stem may be polished to any required attainable degree.

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