D defs.my
Entry 2 senses Webster, 1913

extremum

· IPA /ɪkˈstɹiːməm/
01 n. the point located farthest from the middle of something.
  1. 1.
    the point located farthest from the middle of something.
  2. 2.
    the most extreme possible amount or value.
Syn. extreme point, extreme, extremity. — Syn. -- peak.