Piston

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Piston Meaning and Definition in Dictionary

Definitions from Wordnet 2.0


  • mechanical device that has a plunging or thrusting motion
  • United States neoclassical composer (1894-1976)

Definitions from Wiktionary


  • United States neoclassical composer (1894-1976) ,
  • mechanical device that has a plunging or thrusting motion

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Piston Meaning and Definition in Wikipedia


In general, a piston is a lubricated sliding shaft that fits tightly inside the opening of a cylinder. Its purpose is to change the volume enclosed by the cylinder, to exert a force on a fluid inside the cylinder, to cover and uncover ports, or some combination of these. A rubber seal is sometimes used to keep the lubricate within the shaft. Due to the constant motion of the machine this seal wears quickly and should be replaced with every servicing. If the seal should break during usage there can be disastrous long lasting consequences for the machine.

There are two ways that a piston engine can transform combustion into motive power. These are two-stroke and four-stroke.



Piston Sample Sentences in News


  • Come by Piston's AWS re:Invent Booth for a Chance to Enter the Piston Money Machine
    Piston Cloud Computing, Inc. today announced details of its participation at AWS re:Invent 2014, taking place at The Venetian in Las Vegas November 11-14, 2014. Piston's turn-key private cloud software, ... Read more on this news related to 'Piston'
  • Piston Names Obele Brown-West VP of Account Management
    SAN DIEGO, Nov. 11, 2014 /PRNewswire/ -- San Diego- and NY-based full-service digital agency Piston has promoted Obele Brown-West from Account Director to VP, Account Management to lead Piston's client ... Read more on this news related to 'Piston'
  • Road Rave: Meet the radically efficient free-piston engine that could power your next hybrid
    The next major advancement in automotive technology may not be electric or hydrogen, but instead a new type of internal combustion. ‘Free piston’ engines, as they’re referred to, offer dramatically improved efficiency using pistons that float on air. The post Road Rave: Meet the radically efficient free-piston engine that could power your next hybrid appeare Read more on this news related to 'Piston'

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