extremum

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ex·tre·mum

 (ĭk-strē′məm)
n. pl. ex·tre·ma (-mə) Mathematics
A value in the domain of a given function at which the function attains a maximum or minimum value.

[From Latin, extrēmum, neuter sing. of extrēmus, outermost, extreme; see eghs in Indo-European roots.]

extremum

(ɪkˈstriːməm)
n, pl -mums or -ma (-mə)
(Mathematics) maths the maximum or minimum value of a mathematical function
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.extremum - the point located farthest from the middle of something
extremity - the outermost or farthest region or point
apex, acme, vertex, peak - the highest point (of something); "at the peak of the pyramid"
2.extremum - the most extreme possible amount or valueextremum - the most extreme possible amount or value; "voltage peak"
limitation, limit - the greatest amount of something that is possible or allowed; "there are limits on the amount you can bet"; "it is growing rapidly with no limitation in sight"
lower limit, minimum - the smallest possible quantity
maximum, upper limit - the largest possible quantity