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dashpot

[dash-pot]
noun
  1. a device for cushioning, damping, or reversing the motion of a piece of machinery, consisting of a cylinder in which a piston operates to create a pressure or vacuum on an enclosed gas or to force a fluid in or out of the chamber through narrow openings.
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Origin of dashpot

First recorded in 1860–65; dash1 + pot1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dashpot

Historical Examples

  • The seating of the main admission valve is cushioned by the dashpot, the piston of which is shown in section at G (Fig. 51).

    Steam Turbines

    Hubert E. Collins


British Dictionary definitions for dashpot

dashpot

noun
  1. a device for damping vibrations; the vibrating part is attached to a piston moving in a liquid-filled cylinder
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Word Origin

C20: from dash 1 + pot 1
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