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{%type%} Definitions

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Short "hint"

A solid disk or cylinder that fits into a larger cylinder and is moved by or moves against the pressure of a fluid (as steam or hot gases).

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Usage examples (35)
  • His transitions from accelerating walk to easy jog, trot to brisk canter to headlong gallop to flogged-piston sprint were as distinct and as soberly in order as an...
  • The piston, which is very long, rubs at its upper end against the sides of the cylinder, C.
  • The piston is a single casting unusually long and light, and is packed with four spring rings of 3/8 inch square brass wire.
  • There is a sort of stem coming up from the middle of the piston, called the piston rod, which is to draw up the piston, and to press it down by.
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