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English definition of “dominant”

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dominant

adjective uk   /ˈdɒm.ɪ.nənt/ us    /ˈdɑː.mə-/
C1 more important, strong, or noticeable than anything else of the same type: a dominant military power Unemployment will be a dominant issue at the next election. specialized biology A dominant gene is one which always produces a particular characteristic in a person, plant, or animal: The gene for brown eyes is dominant.
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dominance
noun [U] uk   /-nəns/ us  
C2 Music companies have profited from the dominance of CDs over vinyl records.
(Definition of dominant from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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