What is Eradicator?

Eradicator definition and meaning on Dictionary terms:
verb (used with object), eA.radA.iA.catA.ed,
to remove or destroy utterly; extirpate: to eradicate smallpox throughout the world.
to erase by rubbing or by means of a chemical solvent: to eradicate a spot.
to pull up by the roots: to eradicate weeds.

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