cluster

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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 ?
Everybody else said the same, and they must be allowed to have been competent judges, because they had just had dinner; and, with the dessert upon the table, were clustered round the fire, by lamplight.
Cadmus, Phoenix, Cilix, and Thasus clustered round Queen Telephassa, grasping her skirts, and begging her to lean upon their shoulders whenever she felt weary.
Around this plain are clustered numerous springs of various sizes and temperatures.
Having once decided on his quarters, it needed only a second or two for him to run up the stem like a tiny squirrel, and to seat himself astride on the topmost bend, where the fairy-bells clustered most closely, and from whence he could look down on his audience from such a height that all shyness vanished, and he began his Story merrily.
His naturally dark complexion had been deepened by exposure to the tropical sun, and a mass of jetty locks clustered about his temples, and threw a darker shade into his large black eyes.
It was what the French call a petit bourg; it lay at the base of a sort of huge mound on the summit of which stood the crumbling ruins of a feudal castle, much of whose sturdy material, as well as that of the wall which dropped along the hill to inclose the clustered houses defensively, had been absorbed into the very substance of the village.
These were very numerous, for the place was thickly inhabited, and a large group of the queer people clustered near, gazing sharply upon the strangers who had emerged from the long spiral stairway.
About her were clustered a score of curious natives--mostly men, for among the aborigines it is the male who owns this characteristic in its most exaggerated form.
The wolf-dogs, clustered on the far side of the fire, snarled and bickered among themselves, but evinced no inclination to stray off into the darkness.
The sidewalks were superb marble slabs polished as smooth as glass, and the curbs that separated the walks from the broad street were also set thick with clustered emeralds.
Upon the mantels, and on many shelves and brackets and tables, were clustered ornaments of every description, seemingly made out of all sorts of metals, glass, china, stones and marbles.
They stood indolent, lounging, and inert, as usual when no immediate demand was made on their dormant energies, clustered in front of some four or five habitations of skin, for which they were indebted to the hospitality of their Teton allies.

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