Englishfor English speakers
cooler
Noun
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A cooler is a box that is used with ice to help keep things cold.
Pack all of the soda into the cooler; we wouldn't want it to get flat.
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A cooler is a prison.
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A cooler is a kind of mixed drink.
They served wine coolers at the party.
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.