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English definition of “optimum”

optimum

adjective [before noun] uk   /ˈɒp.tɪ.məm/ us    /ˈɑːp-/ (also optimal)
best; most likely to bring success or advantage: A mixture of selected funds is an optimum choice for future security and return on investment.Extremely good
(Definition of optimum from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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