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TOEFL IELTS BNC: 4317 COCA: 3444

pump

1 of 3

noun (1)

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

Synonyms

Example Sentences

Word History


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