Definition of extremum in English:

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Pronunciation: /ikˈstrēməm/

noun (plural extremums or extrema /-mə/)

[usually as modifier] Mathematics
The maximum or minimum value of a function.
Example sentences
  • Correlation coefficients showed multiple local extrema with a global maximum, and success in tracking generally relies on the presence of such a maximum at the correct x-y location within each search area.
  • Trajectories x that solve Newton's equations are those that are extrema of the action A = [integral operator] L (x, v (t)) dt.
  • The first step in solving such equations by the variational method is to show that the extremum is attained.


Early 20th century: from Latin, neuter of extremus 'utmost' (see extreme).

For editors and proofreaders

Syllabification: ex·tre·mum

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