'Extermination' definitions:

Definition of 'extermination'

(from WordNet)
noun
Complete annihilation; "they think a meteor cause the extinction of the dinosaurs" [syn: extinction, extermination]
noun
The act of exterminating [syn: extermination, liquidation]

Definition of 'Extermination'

From: GCIDE
  • Extermination \Ex*ter`mi*na"tion\, n. [Cf. F. extermination.]
  • 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. [1913 Webster]
  • 2. (Math.) Elimination. [R.] [1913 Webster]