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Reverse Search
Reverse Search allows you to search within the full text of dictionary entries for words, word parts, and phrases.
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| airbrake |
a brake or brake system operated by the force of compressed air against a piston. |
| compression ratio |
in an internal-combustion engine, the ratio of the largest to the smallest volume of a cylinder measured at the top and bottom of the piston stroke. |
| connecting rod |
a rod that links a rotating part of a machine to a reciprocating part, such as a crankshaft to a piston. |
| cylinder |
in a pump or engine, the cylinder-shaped chamber in which a piston moves. [1/5 definitions] |
| cylinder head |
of the cylinder in an internal-combustion engine, the closed, often detachable end opposite to that from which the piston or connecting rod projects. |
| hypodermic syringe |
a piston syringe fitted to a hollow needle, used to inject a substance under the skin. |
| multipiston |
combined form of piston. |
| piston ring |
a thin split metal ring that fits around a piston, in an automobile or other engine, to ensure a tight seal between the piston and the cylinder. |
| piston rod |
a rod connected to a piston that transfers its motion to another engine part. |
| plunger |
something that moves repeatedly up and down, such as a piston. [1/3 definitions] |
| steam engine |
an engine in which pressurized steam supplies mechanical energy, usu. by moving a piston in a closed cylinder. |
| suction pump |
a pump that draws up liquid by means of the vacuum created by the motion of a piston. |
| syringe |
a small tube, usu. fitted with a piston or bulb, for drawing in a quantity of fluid and pumping it through a small aperture or ejecting it in a stream. [1/3 definitions] |
| two-stroke |
of or designating an internal-combustion engine in which two strokes of a piston complete a fuel cycle. |
| upstroke |
an upward stroke, as of a piston or pen. |
| Wankel engine |
an internal combustion engine that features a triangular rotor revolving in a chamber, and that requires fewer moving parts and is lighter and less efficient than a piston-driven engine. |
| wrist pin |
a pin that joins the end of a connecting rod to a piston, wheel, or the like. |
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