Englishfor English speakers
unit
Noun
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One of a measure of something; the amount of something that is counted as "one".
Measure five units to the left.
$4 is the unit price.
A pound is a useful unit for thinking about amounts of butter.
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Form of measurement.
I prefer metric units.
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Item, used when no other word for something exists.
He set up the A/C unit.
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.
concept
Noun
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A concept is an idea.
Italy has introduced the concept of "parental leave" - time off work given to either parent to look after the child.