Hypertext Webster Gateway: "suction"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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}.
From WordNet (r) 1.7 (wn)
suction
n 1: a force over an area produced by a pressure difference
2: the act of sucking [syn: {sucking}, {suck}]
v 1: remove or draw away by the force of suction; "the doctors
had to suction the water from the patient's lungs"
2: empty or clean by the force of suction, as of a body cavity;
"suction the uterus in an abortion"
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