[kluhs-ter] /ˈklʌs tər/
a number of things of the same kind, growing or held together; a bunch:
a cluster of grapes.
a group of things or persons close together:
There was a cluster of tourists at the gate.
U.S. Army. a small metal design placed on a ribbon representing an awarded medal to indicate that the same medal has been awarded again:
Phonetics. a succession of two or more contiguous consonants in an utterance, as the str- cluster of strap.
Astronomy. a group of neighboring stars, held together by mutual gravitation, that have essentially the same age and composition and thus supposedly a common origin.
Compare , , .
verb (used with object)
to gather into a cluster or clusters.
to furnish or cover with clusters.
verb (used without object)
to form a cluster or clusters:
The people clustered around to watch.
a number of things growing, fastened, or occurring close together
a number of persons or things grouped together
(US, military) a metal insignia worn on a medal ribbon to indicate a second award or a higher class of a decoration or order
(astronomy) an aggregation of stars or galaxies moving together through space
a group of two or more consecutive vowels or consonants
(statistics) a naturally occurring subgroup of a population used in stratified sampling
to gather or be gathered in clusters
Old English clyster “cluster,” probably from the same root as clot (n.). Of stars, from 1727. Cluster-bomb attested from 1967.
late 14c. (transitive), from cluster (n.). Intransitive sense from 1540s. Related: Clustered; clustering.
1. Multiple servers providing the same service. The term may imply resilience to failure and/or some kind of load balancing between the servers. Compare RAIS.
2. An elementary unit of allocation of a disk made up of one or more physical blocks.
A file is made up of a whole number of possibly non-contiguous clusters. The cluster size is a tradeoff between space efficiency (the bigger is the cluster, the bigger is on the average the wasted space at the end of each file) and the length of the FAT.
- Cluster 86
language A distributed object-oriented language by L. Shang of Nanjing University, ca. 1986. A cluster is a metatype. There are versions for MS-DOS and Unix. [“Cluster: An Informal Report”, L. Shang, SIGPLAN Notices 26(1):57-76, Jan 1991]. (1994-12-21)
- Cluster area
noun 1. a place where a concentration of a particular phenomenon is found
noun 1. a canister that can be dropped from an aircraft and that opens to release a number of small fragmentation explosives over a wide area. noun 1. a bomb that throws out a number of smaller bombs or antipersonnel projectiles when it explodes
noun 1. a small residential college affiliated with a university but semi-independent and specializing in one field of study.