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Dictionary

clus'ter point"

Math.
1. a point of a net having the property that the net is frequently in each neighborhood of the point.
2. See accumulation point.
3. a point of a filter having the property that every neighborhood of the point has points in common with every set in the filter.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

cluster leg

clutch

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