Share this entry

extremum Syllabification: ex·tre·mum
Pronunciation: /ikˈstrēməm/

Definition of extremum in English:

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).

Definition of extremum in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day fortissimo
Pronunciation: fôrˈtisəˌmō
(especially as a direction) very loud or loudly