SUCTION

suction. Suction, n. the act of sucking or drawing in

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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.