A cluster is a small group or bunch of something. These items are clusterable.
In science:
* Cluster (physics), a small group of atoms or molecules
* In astrophysics:
o Star cluster, groups of stars which are gravitationally bound
o Galaxy groups and clusters, large gravitationally-bound objects
o Globular cluster
o 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:
* Computer cluster, a group of loosely coupled computers that work together closely
* Cluster (file system), a group of disk sectors used in a File Allocation Table
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, 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
Source: wikipedia.org
