cluster


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Related to cluster: Cluster analysis, Cluster Headaches

cluster

 [klus´ter]
a group of similar objects, events, or other elements in close proximity.
suicide cluster a group of suicides in which one seems to set off others.

clus·ter

(klŭs'ter),
A group of similar or identical objects occurring naturally in close proximity (as grapes) or so assembled (as beads).
[O.E. clyster]

cluster

A generic term for any of the regions in the UK (Eastern, North East, North West and West Midlands, London, and Southern) created after consultation with Strategic Health Authorities (SHAs) on how to best deliver local Information Technology solutions as part of the NHS Care Records initiative.

clus·ter

(klŭstĕr)
A group of similar or identical objects occurring naturally in close proximity (as grapes) or so assembled (as beads).
[O.E. clyster]

cluster,

n in epidemiology, a composite of confirmed cases of a disease, defect, or disability that occur in close proximity to one another with regard to time or space.

cluster

1. in epidemiological terms a naturally occurring group of similar units, e.g. animals which resemble each other, with respect to one or more variables, more than animals in different groups do, or a group of cases of a single disease in time or space.
2. assembly of claw and teat cups, as part of a milking machine.

cluster analysis
1. statistical methods used to group variables or observations into strongly interrelated subgroups.
2. a statistical analysis of the relationships between clusters in time and/or space.
cluster fly
see polleniarudis.
cluster sampling
see cluster sampling.
References in classic literature ?
The cluster shivered, as from hooked fore-foot to hooked hind-foot it telegraphed uneasiness.
Nothing of interest enlivened our journey by rail and caravan till we came to the cluster of date-palms about the ancient well upon the rim of the Sahara.
And, above it, the woman of marble, composed and blind on the high pedestal, seemed to ward off the devouring night with a cluster of lights.
These being answered in the negative, communicated the welcome intelligence to clusters in the street, who pointed out to one another the door from which he must come out, and showed where the scaffold would be built, and, walking with unwilling steps away, turned back to conjure up the scene.
It was nearly five o'clock in the afternoon, when drawing near another cluster of labourers' huts, the child looked wistfully in each, doubtful at which to ask for permission to rest awhile, and buy a draught of milk.
When the hands were closed they looked like clusters of unpainted wooden balls as large as walnuts fastened together by steel rods.
The dining tables had all been removed to one end of the hall, and the chairs ranged about in rows and in clusters.
All three give glimpses of the shops of grocers, block-makers, slop-sellers, and ship-chandlers, around the doors of which are generally to be seen, laughing and gossiping, clusters of old salts, and such other wharf-rats as haunt the Wapping of a seaport.
Yes," echoed Dorian, leaning back in his chair and looking at Lord Henry over the heavy clusters of purple-lipped irises that stood in the centre of the table, "what do you mean by good, Harry?
Fire-flies hung in bright clusters on the dewy leaves, that waved in the cool night-wind; and the flowers stood gazing, in very wonder, at the little Elves, who lay among the fern-leaves, swung in the vine-boughs, sailed on the lake in lily cups, or danced on the mossy ground, to the music of the hare-bells, who rung out their merriest peal in honor of the night.
There are two or three small clusters of Bedouin tents, but not a single permanent habitation.
Instead of black, glossy bees- tamed by toil, clinging to one another's legs and drawing out the wax, with a ceaseless hum of labor- that used to hang in long clusters down to the floor of the hive, drowsy shriveled bees crawl about separately in various directions on the floor and walls of the hive.