Englishfor English speakers
administration
Noun
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The administration are the people who run and organise an organisation such as a business or government.
In short, the administration does not actually know why it wants a space station.
The Bush administration has one of the worst records of any American government.
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.
special
Adjective
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If something is special, it is not usual; it is different or important in some way.
She is the most special person in my life.
—
particularly interesting; dear; beloved; favored
mission
Noun
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A mission is a quest given by someone to gain something.
The Interpol is on a mission to find the international terrorists.