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.)

Defn: Elimination. [R.]

EXTERMINATOR
Ex*ter"mi*na`tor, n. Etym: [L.]

Defn: One who, or that which, exterminates. Buckle.

EXTERMINATORY
Ex*ter"mi*na*to*ry, a.

Defn: Of or pertaining to extermination; tending to exterminate.
"Exterminatory war." Burke.

EXTERMINE
Ex*ter"mine, v. t. Etym: [F. exterminer.]

Defn: To exterminate; to destroy. [Obs.] Shak.

EXTERN
Ex*tern", a. Etym: [Cf. F. externe. See External.]