extinctions

/IH0 K S T IH1 NG K SH AH0 N Z/
noun
  1. 1

    The action of making or becoming extinct; annihilation.

  2. 2

    The absorption or scattering of electromagnetic radiation emitted by astronomical objects by intervening dust and gas before it reaches the observer.

  3. 3

    The inability to perceive multiple stimuli simultaneously

Source: https://en.wiktionary.org/wiki/extinction, https://en.wiktionary.org/wiki/extinctions