optimum Meaning in the Cambridge English Dictionary
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Meaning of “optimum” in the English Dictionary

"optimum" in British English

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optimumadjective [before noun]

uk   /ˈɒp.tɪ.məm/  us   /ˈɑːp-/ (also optimal)
best; most ​likely to ​bringsuccess or ​advantage: A ​mixture of ​selectedfunds is an optimum choice for ​futuresecurity and ​return on ​investment.
(Definition of optimum from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"optimum" in American English

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optimumadjective [not gradable]

 us   /ˈɑp·tə·məm/ (also optimal)
being the ​best or most ​likely to ​bringsuccess or ​advantage: For optimum ​flavor, ​prepare just before ​serving.
(Definition of optimum from the Cambridge Academic Content Dictionary © Cambridge University Press)

"optimum" in Business English

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optimumadjective [before noun]

uk   us   /ˈɒptɪməm/
the best or most ​effective possible in a particular ​situation: A mixture of ​selectedfunds is an optimum ​choice for future ​security and ​return on ​investment. The ​figures show ​investment below the optimum ​level in the UK. The ​softwarekeeps your hard ​diskorganized for optimum ​performance.
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(Definition of optimum from the Cambridge Business English Dictionary © Cambridge University Press)
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