optimum
UK /ˈɑptɪməm/ US /ˈɑptɪməm/
noun 2adj 1
Definitions
noun
1
The best or most favorable condition, or the greatest amount or degree possible under specific sets of comparable circumstances.
2
Any long period of time marked by a persistently warm climate; a climatic optimum.
adj
1
The best or most advantageous; surpassing all others.
optimum conditions for climbing
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