Cluster
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2008-06-30T00:04:49Z
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{{wiktionarypar|cluster}}
A '''cluster''' is a small group or bunch of something.
In '''science''':
* [[Cluster (physics)]], a small group of atoms or molecules
*In '''astrophysics''':
** [[Star cluster]], groups of stars which are gravitationally bound
** [[Galaxy groups and clusters]], large gravitationally-bound objects
** [[Globular cluster]]
** [[Cluster mission]], a European Space Agency mission to study the magnetosphere
* [[Cluster chemistry]], an array of bound atoms intermediate in character between a molecule and a solid
* [[Cluster sampling]]
* [[Data clustering]] or [[Cluster analysis]], a technique for statistical data analysis
* [[Consonant cluster]], in linguistics
In '''biology''' and '''health sciences''':
* In genetics and biotechnology, a cluster may refer to a group of closely gathered genes within a chromosome.
*[[Cancer cluster]], in biomedicine, an occurrence of a greater-than-expected number of cancer cases
*[[Cluster headache]]
*[[Winter cluster]], in beekeeping, a well-defined cluster of honey bees in cold temperatures
*[[Cluster (epidemiology)]] refers to a grouping of cases of disease, possibly an [[outbreak]]
In '''computing''':
* [[Cluster (computing)]], a group of loosely coupled computers that work together closely
* [[Cluster (file system)]], a group of disk sectors used in a File Allocation Table
* [[Comparison of cluster software]]
In '''economics''':
* [[Business cluster]], a geographic cluster of competitive businesses
In '''science fiction''':
* [[Cluster (novels)]] - novels of [[Piers Anthony]]
In '''music''':
* [[Tone cluster]], in music
* [[Cluster (band)]], a German rock band
* [[Cluster (album)]], the 1971 eponymous album by the band Cluster
* [[Cluster (track)|Cluster]], Ben Bu Sarkiyi Sana Yazdim album track by the singer [[Cem Adrian]]
'''Other'''
* A mechanical assembly which preceded the common [[cassette (bicycle part)]].
* [[Cluster bomb]], air-dropped or ground launched shells
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