Pronunciation: (i-rad'i-kāt"), [key]
—v.t., -cat•ed, -cat•ing.
1. to remove or destroy utterly; extirpate: to eradicate smallpox throughout the world.
2. to erase by rubbing or by means of a chemical solvent: to eradicate a spot.
3. to pull up by the roots: to eradicate weeds.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.