释义 |
WordReference Random House Learner's Dictionary of American English © 2024pump1 /pʌmp/USA pronunciation n. [countable]- an apparatus or machine for raising, pushing in or out, or compressing fluids or gases:an air pump; gas pumps.
v. - to raise or drive with a pump: [~ + object]to pump water from the well.[no object]His heart was still pumping.
- to force, inject, or put (something) into (something) like a pump or as if by using a pump:[~ + object]The gangster pumped ten bullets into him.
- to free from water or other liquid by means of a pump:[~ (+ out) + object]After the flood they tried to pump (out) the basement.
- to (cause to) be operated or moved by an up-and-down or back-and-forth action: [no object]He raced ahead, his legs pumping.[~ + object]They pumped their fists and shouted.
- to question (someone) artfully or persistently:[~ + object]tried to pump me for information.
- to come out in squirts:[no object]Blood was pumping from the wound.
- pump up:
- to inflate by pumping: [~ + up + object]to pump up a tire.[~ + object + up]to pump it up.
- to cause (someone) to have enthusiasm, competitive spirit, excitement, etc.: [~ + up + object]The coach had to pump up his team for the second half.[~ + object + up]trying to pump them up for the second half.
Idioms- Idioms pump iron, to lift weights as an exercise.
pump•er, n. [countable]pump2 /pʌmp/USA pronunciation n. [countable]- Clothinga woman's low-cut shoe with a moderately high heel.
WordReference Random House Unabridged Dictionary of American English © 2024pump1 (pump),USA pronunciation n. - an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes.
- Building, Civil Engineering[Engin., 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.
- Zoology[Biol.]an animal organ that propels fluid through the body;
heart. - Biochemistry, Cell Biology[Cell Biol.]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.
- prime the pump:
- Idiomsto increase government expenditure in an effort to stimulate the economy.
- Idiomsto support or promote the operation or improvement of something.
v.t. - to raise, drive, etc., with a pump.
- to free from water or other liquid by means of a pump.
- to inflate by pumping (often fol. by up):to pump a tire up.
- to operate or move by an up-and-down or back-and-forth action.
- to supply with air, as an organ, by means of a pumplike device.
- to drive, force, etc., as if from a pump:He rapidly pumped a dozen shots into the bull's-eye.
- to supply or inject as if by using a pump:to pump money into a failing business.
- to question artfully or persistently to elicit information:to pump someone for confidential information.
- to elicit (information) by questioning.
v.i. - to work a pump;
raise or move water, oil, etc., with a pump. - to operate as a pump does.
- to move up and down like a pump handle.
- to exert oneself in a manner likened to pumping:He pumped away at his homework all evening.
- to seek to elicit information from a person.
- to come out in spurts.
- Idioms pump iron. See iron (def. 16).
- pump up:
- to inflate.
- to increase, heighten, or strengthen;
put more effort into or emphasis on; intensify:The store has decided to pump up its advertising. - to infuse with enthusiasm, competitive spirit, energy, etc.:The contestants were all backstage pumping themselves up for their big moment.
- 1400–50; late Middle English pumpe (noun, nominal); cognate with German Pumpe, Dutch pomp
pump′a•ble, adj. pump′less, adj. pump′like′, adj. pump2 (pump),USA pronunciation n. - Clothinga lightweight, low-cut shoe without fastenings for women.
- Clothinga slip-on black patent leather shoe for men, for wear with formal dress.
- origin, originally uncertain 1720–30
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