What does the word immersion mean?

Usage examples for immersion

  1. Still the disappearance of the hull was slow, and even tedious, to those who looked forward with such impatience to its total immersion, as to the crisis of their own fortunes. – The Red Rover by James Fenimore Cooper
  2. There was a sharp sting to the impact, but it imparted nothing of the numbing ache that accompanies immersion in water a number of degrees less cold than this- a feeling which I came later to know only too well on the Columbia. – Down the Columbia by Lewis R. Freeman
  3. The upper works, usually out of water, must on the down side be closed and protected against the proposed immersion. – From Sail to Steam, Recollections of Naval Life by Captain A. T. Mahan