Englishfor English speakers
coincidence
Noun
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A coincidence is when two things are in the same place or space, they coincide.
The scientist studied the beam of electrons and timed examples of coincidence.
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A coincidence is when two things happen by chance, but it seems like it was really planned.
It is a strange coincidence that William Shakepeare was born and died on 23 April.
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.