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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

We shall be able to see exactly what was the cause of the accident to that piston rod when we've taken the engine down.

The piston rod is of wrought iron or steel, and is fitted firmly and rigidly into the piston at one end.

Usually the stuffing box gives free play to a piston rod or valve rod, without allowing any steam to escape.

Unless the piston rod is kept tight in the cross-head, there is liability of a bad crack.

The piston rod transmits the power to the crankshaft, a long rotating piece of steel.

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