noun.
The grouping of a population based on ethnicity, economics or religion.
noun.
The undesirable, contiguous grouping of elements in a hash table.
noun.
A prewriting technique consisting of writing ideas down on a sheet of paper around a central idea within a circle, with the related ideas radially joined to the circle using rays.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a grouping of a number of similar things
Word Usage
"Using the term "clustering," he pointed to hot spots in California, Texas, and New Mexico -- as well as to the urban centers of Detroit, Miami, Washington, D.C. and New York City -- that shared similar patterns of toxic release."