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optimum

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1optimum/ˈɑːptəməm/noun
pluraloptima/-mə//ˈɑːptəmə/alsooptimums
1optimum
/ˈɑːptəməm/
noun
pluraloptima/-mə//ˈɑːptəmə/alsooptimums
Learner's definition of OPTIMUM  
[count]formal
: the amount or degree of something that is best or most effective
2optimum/ˈɑːptəməm/adjective
2optimum
/ˈɑːptəməm/
adjective
Learner's definition of OPTIMUM  
always used before a nounformal
: best or most effective : optimal
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