Englishfor English speakers
getter
noun
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One who gets.
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(object-oriented programming) A function used to retrieve the value of some property of an object, contrasted with the setter.
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(sciences) A material which is included in a vacuum system or device for removing gas by sorption.
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absorbing material
getter
verb
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to remove gas by sorption
ion
Noun
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An ion is a charged atom.
Ions are of two types - cations and anions.
vacuum
Noun
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A vacuum is an area in space where no matter can be found.
A vacuum is often used in physics for experiments.
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A vacuum is another name for a vacuum cleaner.
vacuum
Verb
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If you vacuum, you clean something with a vacuum cleaner.
pump
Verb
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To make water or any other liquid move using a machine.
We pumped water from the river onto the field to help the plants grow.
The heart pumps blood through the body.
pump
Noun
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A pump is a machine for making water move.
There was water on the floor of the house, so we had to buy a pump.
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A pump is a machine that gives a liquid, often fuel.
Before a car journey, go to the gas station and fill up your tank at the pump.