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pump

 - 11 dictionary results
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pump

1  [puhmp]
Use pump in a Sentence
–noun
1. an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes.
2. Engineering, Building Trades. a shore having a jackscrew in its foot for adjusting the length or for bearing more firmly against the structure to be sustained.
3. Biology. an animal organ that propels fluid through the body; heart.
4. Cell Biology. a system that supplies energy for transport against a chemical gradient, as the sodium pump for the transfer of sodium and potassium ions across a cell membrane.
–verb (used with object)
5. to raise, drive, etc., with a pump.
6. to free from water or other liquid by means of a pump.
7. to inflate by pumping (often fol. by up): to pump a tire up.
8. to operate or move by an up-and-down or back-and-forth action.
9. to supply with air, as an organ, by means of a pumplike device.
10. to drive, force, etc., as if from a pump: He rapidly pumped a dozen shots into the bull's-eye.
11. to supply or inject as if by using a pump: to pump money into a failing business.
12. to question artfully or persistently to elicit information: to pump someone for confidential information.
13. to elicit (information) by questioning.
–verb (used without object)
14. to work a pump; raise or move water, oil, etc., with a pump.
15. to operate as a pump does.
16. to move up and down like a pump handle.
17. to exert oneself in a manner likened to pumping: He pumped away at his homework all evening.
18. to seek to elicit information from a person.
19. to come out in spurts.
—Verb phrase
20. pump up,
a. to inflate.
b. to increase, heighten, or strengthen; put more effort into or emphasis on; intensify: The store has decided to pump up its advertising.
c. to infuse with enthusiasm, competitive spirit, energy, etc.: The contestants were all backstage pumping themselves up for their big moment.
—Idioms
21. prime the pump,
a. to increase government expenditure in an effort to stimulate the economy.
b. to support or promote the operation or improvement of something.
22. pump iron. iron (def. 29).
Origin:
1400–50; late ME pumpe (n.); c. G Pumpe, D pomp

Related forms:
pump⋅a⋅ble, adjective
pumpless, adjective
pumplike, adjective
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pump

2  [puhmp]
–noun
1. a lightweight, low-cut shoe without fastenings for women.
2. a slip-on black patent leather shoe for men, for wear with formal dress.
Origin:
1720–30; orig. uncert.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To 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.

v.   pumped, pump·ing, pumps

v.   tr.

  1. To raise or cause to flow by means of a pump.

  2. To draw, deliver, or pour forth as if with a pump.

  3. To remove the water from: pump out a flooded basement.

  4. To cause to move with the up-and-down motion of a pump handle: a bicyclist pumping the pedals.

  5. To propel, eject, or insert with or as if with a pump: pumped new life into the economy.

  6. Physics To raise (atoms or molecules) to a higher energy level by exposing them to electromagnetic radiation at a resonant frequency.

  7. Physiology To transport (ions or molecules) against a concentration gradient by the expenditure of chemically stored energy.

  8. To question closely or persistently: pump a witness for secret information.

v.   intr.

  1. To operate a pump.

  2. To raise or move gas or liquid with a pump.

  3. To move up and down in the manner of a pump handle.

  4. Sports To fake a throw, pass, or shot by moving the arm or arms without releasing the ball.

Phrasal Verb(s):
pump up

  1. To inflate with gas by means of a pump: pump up a tire.

  2. Slang To fill with enthusiasm, strength, and 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(s):
pump iron Sports To lift weights.

[Middle English pumpe.]
pump'er n.
pump 2   (pŭmp)   
n.  A woman's shoe that has medium or high heels and no fastenings.

[Origin unknown.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Slang Dictionary
pump

  1. tv.
    to press someone for an answer or information. : Don't pump me! I will tell you nothing!
  2. n.
    the heart. (See also ticker.) : He has the pump of a forty-year-old.
  3. n.
    a pumped-up muscle. (Bodybuilding.) : He's tired and can't quite make a pump.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Word Origin & History

pump  (1)
"apparatus for forcing liquid or air," c.1440, possibly from M.Du. pompe "water conduit, pipe," or M.L.G. pumpe "pump," both from some North Sea sailors' word, possibly of imitative origin. The verb is recorded from 1508. Metaphoric extension in to pump (someone) for information is from 1667. Pumper "fire engine tha pumps water" is recorded from 1915.

pump  (2)
"low shoe without fasteners," 1555, perhaps echoic of the sound made when walking in them, or perhaps from Du. pampoesje, from Javanese pampoes, of Arabic origin.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: 1pump
Pronunciation: 'p&mp
Function: noun
1 : a device that raises, transfers, or compresses fluids or that attenuatesgases especially by suction or pressure or both
2 : HEART
3 : an act or the process ofpumping
4 : an energy source (as light) for pumping atoms or molecules
5 : a mechanism by which atoms, ions, or molecules are transported across cell membranes—see PROTON PUMP, SODIUM PUMP

Main Entry: 2pump
Function: intransitive verb
: to work a pump : raise or move a fluid with a pump pump transitive senses
1 : to raise (as water) with a pump
2 : to draw fluid from with a pump
3 : to transport (as ions) against a concentration gradient by the expenditure ofenergy
4 a : to excite (as atoms or molecules) especially so as to cause emission of coherent monochromatic electromagnetic radiation (as in a laser) b : toenergize (as a laser) by pumping
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

pump (pŭmp)
n.

  1. A machine or device for raising, compressing, or transferring fluids.

  2. A molecular mechanism for the active transport of ions or molecules across a cell membrane.

v. pumped, pump·ing, pumps

  1. To raise or cause to flow by means of a pump.

  2. To transport ions or molecules against a concentration gradient by the expenditure of chemically stored energy.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Science Dictionary
pump   (pŭmp)  Pronunciation Key 


(click for larger image in new window)

  1. A device used to raise or transfer fluids. Most pumps function either by compression or suction.

  2. A molecular mechanism for the active transport of ions or molecules across a cell membrane.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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