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Dictionary Meaning and Definition on 'Suction'

Suction Meaning and Definition from WordNet (r) 2.0
    suction n
  1. a force over an area produced by a pressure difference
  2. the act of sucking [syn: sucking, suck] v
  3. remove or draw away by the force of suction; "the doctors had to suction the water from the patient's lungs"
  4. empty or clean (a body cavity) by the force of suction; "suction the uterus in an abortion"
Suction Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Suction \Suc"tion\, n. [L. sugere, suctum, to suck; cf. OF. suction. See Suck, v. t.] The act or process of sucking; the act of drawing, as fluids, by exhausting the air. Suction chamber, the chamber of a pump into which the suction pipe delivers. Suction pipe, Suction valve, the induction pipe, and induction valve, of a pump, respectively. Suction pump, the common pump, in which the water is raised into the barrel by atmospheric pressure. See Illust. of Pump.
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Wikipedia Meaning and Definition on 'Suction'

Suction is the flow of a fluid into a partial vacuum, or region of low pressure. The pressure gradient between this region and the ambient pressure will propel matter toward the low pressure area. Suction is popularly thought of as an attractive effect, which is incorrect since vacuums do not innately attract matter. Dust being "sucked" into a vacuum cleaner is actually being pushed in by the higher pressure air on the outside of the cleaner.

The higher pressure of the surrounding fluid can push matter into a vacuum but a vacuum cannot attract matter.

Pumps typically have an inlet where the fluid enters the pump and an outlet where the fluid comes out. The inlet location is said to be at the suction side of the pump. The outlet location is said to be at the discharge side of the pump. Operation of the pump creates suction (a lower pressure) at the suction side so that fluid can enter the pump through the inlet. Pump operation also causes higher pressure at the discharge side by forcing the fluid out at the outlet. There may be pressure sensing devices at the pump's suction and/or discharge sides which control the operation of the pump. For example, if the suction pressure of a centrifugal pump is too low, a device may trigger the pump to shut off to keep it from running dry; i. e. with no fluid entering.

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Words and phrases related to 'Suction'

Suction Sample Sentences in News

  • Volokh Conspiracy: Do regulations of oral suction of blood after circumcision violate the Free Exercise Clause?
    The Second Circuit holds that such a regulation must pass strict scrutiny -- but notes that health concerns (the possible risk of death and brain damage as a result of infection from the practice) may lead the lower court to ultimately uphold the regulation. Read more on this news related to 'Suction'
  • U.S. court revives challenge to New York City circumcision law
    By Jonathan Stempel NEW YORK (Reuters) - A federal appeals court on Friday revived an effort to block a New York City regulation that requires people who perform a Jewish circumcision ritual on infants that involves oral suction to first obtain parental consent. A unanimous panel of the 2nd U.S. Circuit Court of Appeals said a trial judge had been too deferential Read more on this news related to 'Suction'
  • Weight Loss: Does this European Weight Loss Program Really Work?
    On July 24, 2014, Elle Magazine reported on a European weight loss regimen that couples low-intensity workouts with a vacuum suction suit to blast fat. Dr. Simon Ourian of Epione Medical Corporation comments on the article and says that he’s skeptical of the program’s effectiveness. (PRWeb August 05, 2014) Read the full story at Read more on this news related to 'Suction'

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