Word Study
extremum
CIDE DICTIONARY
extremum, n.
- the point located farthest from the middle of something. [WordNet 1.5]
- the most extreme possible amount or value. [WordNet 1.5]
OXFORD DICTIONARY
extremum, n. (pl. extremums or extrema) Math. the maximum or minimum value of a function.
Derivative
extremal adj.
Etymology
L, neut. of extremus EXTREME
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