American Heritage Dictionary
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Century Dictionary
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GNU Webster's 1913
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WordNet
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Elsewhere on the web
These criteria are often called the optimum currency area (OCA) criteria.— Citizendium, the Citizens' Compendium - Recent changes [en]
Uncoordinated individuals in human society pursuing their personally optimal strategies do not always achieve the social optimum, the most beneficial state to the society as a whole.— Ars Technica
He tells the surprised looking Zach that the trans-star drives are optimum, and he'd tuned them himself.— Pretty, Fizzy Paradise
Probably because a random walk is a local optimum, and all the other optima are a LONG way away.— doggdot.us
"These data challenge the view that tropical vegetation lives near its climatic optimum, and it has profound implications in understanding the effect of current global warming on tropical plants," Jaramillo said.— Rainforest Portal RSS Newsfeed

American Heritage Dictionary (1)
Century Dictionary (1)
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