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extremum

[ ik-stree-muhm ]
/ ɪkˈstri məm /
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noun, plural ex·tre·ma [ik-stree-muh]. /ɪkˈstri mə/. Mathematics.

a maximum or minimum value of a function in a specified neighborhood.

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Origin of extremum

1900–05; <New Latin, noun use of neuter of Latin extrēmusextreme
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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