Englishfor English speakers
pneumatic
Adjective
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If something is pneumatic, it contains or operates by air or gas under pressure.
construction
Noun
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Construction is the act of building something.
The workers began construction of the new hospital last week.
The recent downturn in the economy is causing a lot of pain in the construction industry with few new homes being built.
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Construction is the way that something is made.
The stone construction of these buildings makes them very cold in the winter.
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In language, a construction is a combination of form and meaning.
Spoken English doesn't use as many passive constructions as written English.
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A construction is a particular way that something is understood.
In this book, the meaning of "man" is not a simple natural thing; it is a social construction.
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A construction is a building, bridge, tower, model, or large piece of art.
A large and unusual construction stood just outside town.
tool
Noun
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A tool is an object that you use to do a specific job, such as a hammer.
I used to fix my own car, but I sold all my tools.
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A tool is a person being used by another person or organization.
He is such a tool. He should think for himself, instead of doing everything they tell him to do.