Search results
- Dictionarypump/pʌmp/
noun
- 1. a mechanical device using suction or pressure to raise or move liquids, compress gases, or force air into inflatable objects such as tyres: "a petrol pump"
- 2. an active transport mechanism in living cells by which specific ions are moved through the cell membrane against a concentration gradient: "the bacterium's sodium pump"
verb
- 1. force (liquid, gas, etc.) to move by or as if by means of a pump: "the blood is pumped around the body" Similar
- 2. draw (milk) from the breast using a breast pump, typically in order to feed a baby by means of a bottle: "she struggled with pumping enough milk"
Powered by Oxford Dictionaries
A pump is a device that moves fluids ( liquids or gases ), or sometimes slurries, [1] by mechanical action, typically converted from electrical energy into hydraulic energy.
a piece of equipment that is used to cause liquid, air, or gas to move from one place to another: a water / bicycle / fuel pump. a petrol pump. Fewer examples. The pump is powered by a small electric motor. Fish tanks often have a pump that oxygenates the water. The pump is driven by steam. SMART Vocabulary: related words and phrases.
How to use pump in a sentence. a device that raises, transfers, delivers, or compresses fluids or that attenuates gases especially by suction or pressure or both; heart… See the full definition
Pump definition: an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes.. See examples of PUMP used in a sentence.
May 15, 2024 · pump, a device that expends energy in order to raise, transport, or compress fluids. The earliest pumps were devices for raising water, such as the Persian and Roman waterwheels and the more sophisticated Archimedes screw ( q.v. ).
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. 5.
A pump is a machine or device that is used to force a liquid or gas to flow in a particular direction. ...pumps that circulate the fuel around in the engine. There was no water in the building, just a pump in the courtyard. You'll need a bicycle pump to keep the tyres topped up with air. 2. verb.
a machine that is used to force liquid, gas or air into or out of something. (British English) a petrol pump. (North American English) a gas pump. a foot/hand pump (= that you work by using your foot or hand) a bicycle pump. She washed her face at the pump in front of the inn.
a piece of equipment that forces liquid or gas to move somewhere: a gas / petrol pump. a water pump. pump. verb [ T ] uk/pʌmp/us. to force liquid or gas to move somewhere: Your heart pumps blood around your body. Firemen used powerful hoses to pump water into the building. Phrasal verbs. pump sth into sth. pump sth out. pump sth up.
1. : a device that forces liquid, air, or gas into or out of something. an air pump. a water pump. a foot/hand pump [=a pump that you operate by using your foot/hand] [+] more examples. — see picture at bicycle. 2. : the act of pumping something.
