What does the word extinction mean?

Usage examples for extinction

  1. Their sole refuge from extinction will be in slavery to the white man." – A Woman's Life-Work Labors and Experiences by Laura S. Haviland
  2. The years that followed were to be troubled years of poverty, anxiety and controversy, not unmixed with bitterness, during which, at times, extinction and oblivion threatened the University's life. – McGill and its Story, 1821-1921 by Cyrus Macmillan