Englishfor English speakers
circulation
Noun
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Circulation is the act of moving in a circle.
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Circulation is the act of passing from place to place or person to person.
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If something is in circulation, it is being passed around within a system.
The new bills will come into circulation next Friday.
cell
Noun
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A cell is a room in a jail where prisoners are kept.
He was arrested and kept in a small cell for one day.
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A cell is a unit of a living organism.
A plant cell has a cell wall.