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Definition of cluster noun from the Oxford Advanced Learner's Dictionary

cluster

noun
 
/ˈklʌstə(r)/
 
/ˈklʌstər/
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  1. a group of things of the same type that grow or appear close together
    • The telescope is focused on a dense cluster of stars at the edge of the galaxy.
    • The plant bears its flowers in clusters.
    • a leukaemia cluster (= an area where there are more cases of the disease than you would expect)
    Extra Examples
    • Doctors are worried about what appear to be cancer clusters occurring in these areas.
    • The bacteria form clusters in the gut of the host animal.
    • The plants have clusters of white flowers in early June.
    Oxford Collocations Dictionaryadjective
    • little
    • small
    • large
    preposition
    • in a/​the cluster
    • cluster of
    See full entry
  2. a group of people, animals or things close together
    • a cluster of spectators
    • a little cluster of houses
    Extra Examples
    • a dense cluster of buildings
    • The church stood in a small cluster of houses.
    • A woman had emerged from the cluster of buildings.
    Oxford Collocations Dictionaryadjective
    • little
    • small
    • large
    preposition
    • in a/​the cluster
    • cluster of
    See full entry
  3. (phonetics) a group of consonants that come together in a word or phrase, for example /str/ at the beginning of string
    • a consonant cluster
    Topics Languagec1
  4. Word OriginOld English clyster; probably related to clot.
See cluster in the Oxford Advanced American DictionarySee cluster in the Oxford Learner's Dictionary of Academic English

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