piston | | |
n. (person) | 1. piston, walter piston | United States neoclassical composer (1894-1976). |
| ~ composer | someone who composes music as a profession. |
n. (artifact) | 2. piston, plunger | mechanical device that has a plunging or thrusting motion. |
| ~ mechanical device | mechanism consisting of a device that works on mechanical principles. |
| ~ piston ring | seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall. |
| ~ piston rod | connecting rod that moves or is moved by a piston. |
| ~ reciprocating engine | an internal-combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders. |
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