extremum
| n. | 1. | the point located farthest from the middle of something. |
| 2. | the most extreme possible amount or value. |
| Noun | 1. | extremum - the point located farthest from the middle of something Synonyms: extreme point, extreme |
| 2. |  extremum - the most extreme possible amount or value; "voltage peak"Synonyms: peak |