pumping


Also found in: Thesaurus, Medical, Financial, Idioms, Encyclopedia, Wikipedia.
click for a larger image
pump1
top: jet pump
bottom: centrifugal pump

pump 1

 (pŭmp)
n.
1. A machine or device for raising, compressing, or transferring fluids.
2. Physiology A molecular mechanism for the active transport of ions or molecules across a cell membrane.
3. Physics Electromagnetic radiation used to raise atoms or molecules to a higher energy level.
4. Informal The heart.
5. Informal The place where consumers purchase gasoline. Used with the: gas prices rising at the pump.
v. pumped, pump·ing, pumps
v.tr.
1. To cause to flow by means of a pump or pumplike organ or device: Derricks pumped oil out of the ground. The heart pumps blood throughout the body.
2. To draw, deliver, or pour forth: a writer who pumped out a new novel every year.
3. To propel, eject, or insert: pumped new life into the economy.
4. To cause to move with an up-and-down or back-and-forth motion: a bicyclist pumping the pedals; a piston pumping a shaft.
5. To push or pull (a brake or lever, for instance) rapidly: a driver pumping the brakes.
6. To shoot (bullets, for example) at or into: a gunner pumping rounds at a target.
7. Physics To raise (atoms or molecules) to a higher energy level by exposing them to electromagnetic radiation at a resonant frequency.
8. Physiology To transport (ions or molecules) against a concentration gradient by the expenditure of chemically stored energy.
9. To invest (money) repeatedly or persistently in something.
10. To question closely or persistently: pump a witness for secret information.
11. Informal To promote or publicize vigorously: The company pumped its new product on its website.
v.intr.
1. To operate a pump.
2. To move gas or liquid with a pump or a pumplike organ or device.
3. To move up and down or back and forth in a vigorous manner: My legs were pumping as I ran up the stairs.
4. To flow in spurts: Blood was pumping from the wound.
5. Sports To fake a throw, pass, or shot by moving the arm or arms without releasing the ball.
Phrasal Verb:
pump up
1. To inflate with gas by means of a pump: pump up a tire.
2. Slang To fill with enthusiasm, strength, or energy: The lively debate really pumped us up.
3. Sports To be actively involved in a bodybuilding program: athletes pumping up at the gym.
Idiom:
pump iron Sports
To lift weights.

[Middle English pumpe.]

pump′er n.

pump 2

 (pŭmp)
n.
A shoe that has a closed back and is cut low around the toes, usually with heels and no fastenings.

[Origin unknown.]
Translations

pump·ing

n. bombeo;
heart ______ del corazón;
stomach ______ estomacal.
References in classic literature ?
"One night when tied to the mast, as I explained, we were pumping on, deafened with the wind, and without spirit enough in us to wish ourselves dead, a heavy sea crashed aboard and swept clean over us.
Two hours' pumping in every four is no joke--but it kept her afloat as far as Falmouth.
I was greatly refreshed by this, and emboldened by the fact that no enquiring tentacle followed the noise of my pumping.
You must know that in a settled and civilized ocean like our Atlantic, for example, some skippers think little of pumping their whole way across it; though of a still, sleepy night, should the officer of the deck happen to forget his duty in that respect, the probability would be that he and his shipmates would never again remember it, on account of all hands gently subsiding to the bottom.
The hotel, where we rejoined our family, lurked behind a group of lofty elms, and we drank at the town pump before it just for the pleasure of pumping it.
We saw the crew of the brig from afar working at the pumps - still pumping on that wreck, which already had settled so far down that the gentle, low swell, over which our boats rose and fell easily without a check to their speed, welling up almost level with her head-rails, plucked at the ends of broken gear swinging desolately under her naked bowsprit.
There is always sufficient reserve of the ninth ray stored in the great building to maintain the present Martian atmosphere for a thousand years, and the only fear, as my new friend told me, was that some accident might befall the pumping apparatus.
According to usage they were pumping the ship next morning; and lo!
'Pumping,' as that obstinate old creature calls it?"
Eventually, the heart's reduced pumping capacity may interfere with routine functions, and patients may become unable to care for themselves.
Bilge Pump Market: Market Dynamics The growing adoption of bilge pumping system have further driven the global bilge pump market as the marine applications is growing at a rapid rate.
This remains the important driving force for customers choosing rotary vane pumps amid the imposition of energy-efficiency regulations for pumping applications.