This article is about the plumbing tool. For other uses, see Plunger (disambiguation).
Plumbing plunger
A plunger is a device driven by or against fluid pressure.[1] In plumbing, the term plunger commonly refers to handheld tools used to clear blockages in drains and pipes. Plumbing plungers consist of a rubber suction cup attached to a stick (shaft) usually made of wood or plastic. A different bellows-like design also exists, usually constructed of plastic. Alternate names for plumbing plungers include force cup, plumber's friend or plumber's helper.[2]
In musical performance, tools called plungers are used to mute trumpets and trombones. A plunger may also refer to a component of a device that generates fluid flow, such as in a medical syringe or a French press coffee brewer.
^"Meaning of plunger | Infoplease". dictionary.infoplease.com. Retrieved 2017-12-11.
^Company, Houghton Mifflin Harcourt Publishing. "The American Heritage Dictionary entry: plunger". www.ahdictionary.com. Retrieved 2017-12-11.
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a class of positive-displacement pumps that includes the piston pump, plunger pump, and diaphragm pump. Well maintained, reciprocating pumps can last...
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contacts when the plunger is pressed half-way. Other switches require the plunger to be fully pressed down. The depth at which the plunger must be pressed...
a pair of plungers which were each suspended by a coil spring. Several motorcycles before and immediately after World War II used plunger suspension...
piston-like plunger. The face of the plunger is perforated to allow grease to flow from one side of the plunger to another as the plunger is worked up...
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