elimination

Concise Oxford English Dictionary © 2008 Oxford University Press:
eliminate /ɪˈlɪmɪneɪt/

▶verb

• 1 completely remove or get rid of.

  ■ reject or exclude from consideration or further participation.

• 2 Chemistry generate (a simple substance) as a product in the course of a reaction involving larger molecules.

– derivatives
eliminable adjective,
elimination noun,
eliminator noun,
eliminatory adjective.

– origin C16: from L. eliminat-, eliminare ‘turn out of doors’.