Cluster
Appearance
![](http://up.wiki.x.io/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up cluster in Wiktionary, the free dictionary.
Cluster(s) may refer to:
Science and technology
[edit]Astronomy
[edit]- 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
[edit]- 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
[edit]- Computer cluster, a set of computers that work together
- Data cluster, a group of disk sectors used in a File Allocation Table
Equipment
[edit]- Cluster bomb, a type of air-dropped or ground-launched shells
- Instrument cluster of an automobile
- A bicycle cogset, either a freewheel, or cassette
- The set of tubes attached to a cow's teats for automatic milking
Math and statistics
[edit]- 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
[edit]- CLUSTER, the Consortium Linking Universities of Science and Technology for Education and Research
- Cluster (physics), a small group of atoms or molecules
- Cluster chemistry, an array of bound atoms intermediate in character between a molecule and a solid
- Consonant cluster, in linguistics
- Language cluster or dialect cluster, a geographic distribution of languages
Arts and media
[edit]Music
[edit]- Tone cluster, a musical chord comprising at least three consecutive tones in a scale
- Cluster (album), the 1971 eponymous album by the band Cluster
- Cluster (band), a German electronic group
- "Cluster", a track from the album Ben Bu Sarkiyi Sana Yazdim by Cem Adrian
- "Cluster", a song by P-Model from the album Big Body
- Cluster One, the first track on Pink Floyd's 1994 album The Division Bell
- "Cluster", an extended play by the pop-punk band Waterparks
Other media
[edit]- Cluster (novels) by Piers Anthony
- Cluster, a poetry collection by Souvankham Thammavongsa
- The Cluster, a character from the TV series Steven Universe
Urban development
[edit]- Business cluster, a geographic cluster of competitive businesses
- Research-intensive cluster, a region with a high density of research-oriented organizations
- Cluster home, a type of housing development
Other uses
[edit]- Cluster, Pleasants County, West Virginia
- Cluster diagram, general type of diagram, which represents some kind of cluster
- Clusterfuck or cluster, slang term for a messy situation, arising in the US Marine Corps
- Clusters School of Digital Arts, an animation and visual effects training school