noun.
The act of extirpating or rooting out; eradication; excision; total destruction: as, the extirpation of weeds from land; the extirpation of a diseased gland; the extirpation of evil principles from the heart; the extirpation of heresy.
the GNU version of the Collaborative International Dictionary of English
noun.
The act of extirpating or rooting out, or the state of being extirpated; eradication; excision; total destruction.