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suction

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(suk′s̸hən)

noun

the act or process of sucking
the production of a vacuum or partial vacuum in a cavity or over a surface so that the external atmospheric pressure forces the surrounding fluid, particulate solid, etc. into the cavity or causes something to adhere to the surface
the suction force created in this way

Origin: L suctio < suctus, pp. of sugere, to suck

adjective

causing suction
operating by suction

See suction in American Heritage Dictionary 4

noun

The act or process of sucking.
A force that causes a fluid or solid to be drawn into an interior space or to adhere to a surface because of the difference between the external and internal pressures.

transitive verb suc·tioned, suc·tion·ing, suc·tions

To draw away or remove by the force of suction: suction fluid from the lungs.
To clean or evacuate (a body cavity, for example) by the force of suction.

adjective

Creating suction.
Operating or operated by suction.

Origin:

Origin: Late Latin sūctiō, sūctiōn-

Origin: , from Latin sūctus

Origin: , past participle of sūgere, to suck; see seuə-² in Indo-European roots

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