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TOEFL IELTS BNC: 4317 COCA: 3444

pump

1 of 3

noun (1)

ˈpəmp How to pronounce pump (audio)
1
: a device that raises, transfers, delivers, or compresses fluids or that attenuates gases especially by suction or pressure or both
2
: heart
3
: an act or the process of pumping
4
: an energy source (such as light) for pumping atoms or molecules
5
: a biological mechanism by which atoms, ions, or molecules are transported across cell membranes compare sodium pump

pump

2 of 3

verb

pumped; pumping; pumps

intransitive verb

1
: to work a pump : raise or move a fluid with a pump
2
: to exert oneself to pump or as if to pump something
3
: to move in a manner that resembles the action of a pump handle

transitive verb

1
a
: to raise (something, such as water) with a pump
b
: to draw fluid from with a pump
2
: to pour forth, deliver, or draw with or as if with a pump
pumped money into the economy
pump new life into the classroom
3
a
: to question persistently
pumped him for the information
b
: to elicit by persistent questioning
4
a
: to operate by manipulating a lever
b
: to manipulate as if operating a pump handle
pumped my hand warmly
c
: to cause to move with an action resembling that of a pump handle
a runner pumping her arms
5
: to transport (something, such as ions) against a concentration gradient by the expenditure of energy
6
a
: to excite (atoms or molecules) especially so as to cause emission of coherent monochromatic electromagnetic radiation (as in a laser)
b
: to energize (something, such as a laser) by pumping

pump

3 of 3

noun (2)

: a shoe that grips the foot chiefly at the toe and heel
especially : a close-fitting woman's dress shoe with a moderate to high heel
Phrases
pump iron
: to lift weights

Synonyms

Verb

Example Sentences

Verb He pumped the water up from the bottom of the boat. The machine suddenly stopped pumping. We pumped the boat dry. We had to pump the basement out. Your heart pumps blood all over your body. I could feel the blood pumping through my veins. Blood pumped out of the cut. See More

Word History

Etymology

Noun (1)

Middle English pumpe, pompe; akin to Middle Low German pumpe pump, Middle Dutch pompe

Noun (2)

origin unknown

First Known Use

Noun (1)

15th century, in the meaning defined at sense 1

Verb

1508, in the meaning defined at intransitive sense 1

Noun (2)

1555, in the meaning defined above

Time Traveler
The first known use of pump was in the 15th century

Phrases Containing pump

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