Definition of supremum in English:

supremum

noun

Mathematics
  • The smallest quantity that is greater than or equal to each of a given set or subset of quantities.

    The opposite of infimum
    • ‘Usually, a test of hypothesis consists of comparing the supremum of the likelihood in the subset of the parameter space corresponding to the null hypothesis with the supremum in the whole parameter space.’

Origin

1940s: from Latin suppremum ‘highest part’.

Pronunciation

supremum

/s(j)uːˈpriːməm/