extinction

noun4

1. •
   The action of making or becoming extinct; annihilation.

   • Thirteen long centuries have elapsed since the extinction of the last Zoroastrian Empire[…] — 1922
2. •
   The fading of a conditioned response over time if it is not reinforced.
3. •
   The absorption or scattering of electromagnetic radiation emitted by astronomical objects by intervening dust and gas before it reaches the observer.
4. •
   The inability to perceive multiple stimuli simultaneously.