(artificial intelligence, statistics) The classification of objects into different groups, or more precisely, the partitioning of a data set into subsets (clusters), so that the data in each subset (ideally) share some common trait - often proximity according to some defined distance measure.

(physics) Any of a subset of graph states that can be fitted to a regular cubic lattice

plural of cluster bomb

plural of cluster headache

plural of cluster analysis

plural of cluster fuck

plural of open cluster

plural of star cluster

plural of globular cluster

Alternative spelling of cluster fuck