extermination Meaning, Definition & Usage

  1. noun complete annihilation
    extinction.
    • they think a meteor cause the extinction of the dinosaurs
  2. noun the act of exterminating
    liquidation.

WordNet

Ex*ter`mi*na"tion noun
Etymology
Cf. F. extermination.
Definitions
  1. The act of exterminating; total destruction; eradication; excision; as, the extermination of inhabitants or tribes, of error or vice, or of weeds from a field.
  2. (Math.) Elimination. R.

Webster 1913