EnglishMain Dictionary
optimum
Universal Words
adjective [onlybeforenoun]
1 (also optimal) the best possible; producing the best possible results:
optimum efficiency / growth / health * the optimum use of resources * the optimum conditions for effective learning
2 (the optimum) noun [sing.] the best possible result, set of conditions, etc:
For efficient fuel consumption a speed of 60 mph is about the optimum.
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