What does the word permanent mean?

Usage examples for permanent

  1. The employment of hot water, however, necessitates that the tires be bored very smoothly and truly, and that the wheel rim be similarly true and smooth, otherwise the amount of expansion thus obtained will be insufficient to maintain a permanent fit under the duty to which a wheel tire is submitted. – Modern Machine-Shop Practice, Volumes I and II by Joshua Rose
  2. But a permanent peace is not wanted by Sturmer and Protopopov, they wish to keep the people under the heel of a strong Germany. – The Russian Revolution; The Jugo-Slav Movement by Alexander Petrunkevitch, Samuel Northrup Harper, Frank Alfred Golder, Robert Joseph Kerner