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View synonyms for

pump

1

[puhmp]

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)

  1. to raise, drive, etc., with a pump.

  2. to free from water or other liquid by means of a pump.

  3. to inflate by pumping (often followed byup ).

    to pump a tire up.

  4. to operate or move by an up-and-down or back-and-forth action.

  5. to supply with air, as an organ, by means of a pumplike device.

  6. to drive, force, etc., as if from a pump.

    He rapidly pumped a dozen shots into the bull's-eye.

  7. to supply or inject as if by using a pump.

    to pump money into a failing business.

  8. to question artfully or persistently to elicit information.

    to pump someone for confidential information.

  9. to elicit (information) by questioning.

verb (used without object)

  1. to work a pump; raise or move water, oil, etc., with a pump.

  2. to operate as a pump does.

  3. to move up and down like a pump handle.

  4. to exert oneself in a manner likened to pumping.

    He pumped away at his homework all evening.

  5. to seek to elicit information from a person.

  6. to come out in spurts.

verb phrase

    1. to inflate.

    2. to increase, heighten, or strengthen; put more effort into or emphasis on; intensify.

      The store has decided to pump up its advertising.

    3. to infuse with enthusiasm, competitive spirit, energy, etc..

      The contestants were all backstage pumping themselves up for their big moment.

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.

pump

1

/ ʌ /

noun

  1. any device for compressing, driving, raising, or reducing the pressure of a fluid, esp by means of a piston or set of rotating impellers

  2. biology a mechanism for the active transport of ions, such as protons, calcium ions, and sodium ions, across cell membranes

    a sodium pump

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to raise or drive (air, liquid, etc, esp into or from something) with a pump or similar device

  2. (tr; usually foll by in or into) to supply in large amounts

    to pump capital into a project

  3. (tr) to deliver (shots, bullets, etc) repeatedly with great force

  4. to operate (something, esp a handle or lever) in the manner of a pump or (of something) to work in this way

    to pump the pedals of a bicycle

  5. (tr) to obtain (information) from (a person) by persistent questioning

  6. (intr; usually foll by from or out of) (of liquids) to flow freely in large spurts

    oil pumped from the fissure

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pump

2

/ ʌ /

noun

  1. a low-cut low-heeled shoe without fastenings, worn esp for dancing

  2. a type of shoe with a rubber sole, used in games such as tennis; plimsoll

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pump

  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.

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Other Word Forms

  • pumpable adjective
  • pumpless adjective
  • pumplike adjective
  • unpumpable adjective
  • unpumped adjective
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Word History and Origins

Origin of pump1

First recorded in 1400–50; late Middle English noun pumpe, pompe; cognate with German Pumpe, Dutch pomp

Origin of pump2

First recorded in 1720–30; origin uncertain
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Word History and Origins

Origin of pump1

C15: from Middle Dutch pumpe pipe, probably from Spanish bomba, of imitative origin

Origin of pump2

C16: of unknown origin
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Idioms and Phrases

Idioms
  1. pump iron. iron.

  2. prime the pump,

    1. to increase government expenditure in an effort to stimulate the economy.

    2. to support or promote the operation or improvement of something.

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Example Sentences

Examples have not been reviewed.

The UK energy minister Michael Shanks told the BBC's Sunday Show his department is "preparing for all scenarios" as there's concern motorists could be hit hard with a doubling of the price at the pumps.

From

Disney Chief Executive Bob Iger has said as much in comments to Wall Street, acknowledging that the House of Mouse pumped out too many shows and movies to compete against Netflix.

From

Labour is pumping significant amounts of extra cash into public services.

From

Note: The figures do not include special tariffs, such as those for heat pumps or selling renewable energy back to the grid.

From

I worked a very early shift at Sony Pictures, pumping out film grosses seven days a week, and he managed a co-owned restaurant in Hollywood with a shift closing late at night.

From

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When To Use

else does pump mean?

Content warning: this article contains references to guns.Among many other slang senses, pump is short for pump-action shotgun, a type of shotgun that requires the user to change the shell with a pumping-like action.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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