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cluster in Wiktionary, the free dictionary.
Cluster(s) may refer to:
Science and technology
Astronomy
Cluster (spacecraft) , constellation of four European Space Agency spacecraft
Cluster II (spacecraft) , a European Space Agency mission to study the magnetosphere
Asteroid cluster , a small asteroid family
Galaxy cluster , large gravitationally bound groups of galaxies, or groups of groups of galaxies
Supercluster , the largest gravitationally bound objects in the universe, composed of many galaxy clusters
Star cluster
Globular cluster , a spherical collection of stars whose orbit is either partially or completely in the halo of the parent galaxy
Open cluster , a spherical collection of stars that orbits a galaxy in the galactic plane
Biology and medicine
Cancer cluster , in biomedicine, an occurrence of a greater-than-expected number of cancer cases
Cluster headache , a neurological disease that involves an immense degree of pain
Cluster of differentiation , protocol used for the identification and investigation of cell surface molecules present on white blood cells
Winter cluster , in beekeeping, a well-defined cluster of honey bees in cold temperatures
Disease cluster , a grouping of cases of disease
Gene cluster , a group of genes (or proteins, or metabolites) whose expression or concentration is similar across a range of conditions
Cluster of microorganisms, as in a
colony
Computer science
Equipment
Math and statistics
Cluster analysis , a set of techniques for grouping a set of objects based on intrinsic similarities
Cluster sampling , a sampling technique used when "natural" groupings are evident in a statistical population
Cluster graph , in graph theory, a disjoint union of complete graphs
Clusterable graph, in
balance theory
Cluster algebra , a class of commutative rings used in representation theory
Cluster expansion , a technique in statistical mechanics and quantum field theory
Other uses in science and technology
Arts and media
Music
Other media
Urban development
Other uses
See also
Topics referred to by the same term