Webster’s Revised Unabridged Dictionary · 1913
Extermination
Ex·ter′mi·na′tion (ĕks·tẽr′mĭ·nā′shŭn), 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.
2. (Math.) Elimination. [R.]