[syn: extremum, peak]
The Collaborative International Dictionary of English v.0.48:
extremum \extremum\ n.
   1. the point located farthest from the middle of something.
   Syn: extreme point, extreme, extremity.
        [WordNet 1.5]
   2. the most extreme possible amount or value.
   Syn: peak.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
extremum
    n 1: the point located farthest from the middle of something
         [syn: extreme point, extreme, extremum]
    2: the most extreme possible amount or value; "voltage peak"
       [syn: extremum, peak]