# closed set

### noun Mathematics.

a set that contains all of its accumulation points, as the set of points on and within a circle; a set having an open set as its complement.

## Words nearby closed set

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## British Dictionary definitions for closed set

closed set

### noun maths

a set that includes all the values obtained by application of a given operation to its members

(in topological space) a set that contains all its own limit points

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