In Latin it is where we can find the etymological origin of the term eradicate that now concerns us. Exactly it comes from the verb "eradicare", which means "root uproot" and which is the result of the sum of the following lexical components:
-The prefix "ex-", which is synonymous with "out."
-The noun “radix, radicis”, which can be translated as “root”.
-The suffix "-ar", which is used to indicate verbs.

The definition of eradicate presented by the Royal Spanish Academy (RAE ) in your dictionary refers to remove or remove some of root .
For example: “We must eradicate the poverty of the world”, “All leaders should commit and work together to eradicate the corruption of our political system”, "The experts suggested eradicating all the plants affected by the fungus from the fields to prevent further propagation".
Among the synonyms for eradicating are from eliminating to excising through annihilating, tearing, suppressing and exterminating. On the contrary, among its antonyms we find ourselves staying or taking root, for example.
Eradicate is linked to delete an item entirely , reaching its foundations or origins. When a thing is eradicated, cease to exist or, at least, to have a presence in a certain area.
At present, for example, there are several organisms that are proposed eradicate gender violence . These entities develop various Actions so that this type of violence disappears from society: its objective is not to mitigate or modify it, but to erase it.
In the same way, we have to establish the existence of an expression that is used regularly and that uses the term that concerns us. We are referring to "eradicate a bad for the healthy." With it, what we are trying to express is that it will end a root situation.
Likewise, it is very frequently used to refer to the need to end an insect or rodent pest. Thus, for example, to eradicate a cockroach pest it is necessary to resort to tricks such as placing aromatic herbs at home, you can also choose to use specific insecticide products for those or put yourself in the hands of companies specialized in eradicating that type Of pests. However, there are also homemade tricks such as using a mixture of sugar and sodium bicarbonate.
Eradicate a disease On the other hand, it means getting cases no longer registered anywhere. In this framework, the smallpox is a disease , which thanks to vaccination and inoculation, could be eradicated at the end of the decade of 1970 . The World Health Organization (WHO ) stressed that the eradication of smallpox was absolute: in fact the last case of infection "natural" it took place in 1977 , while the following year a medical photographer contracted this infectious disease in an English laboratory. Since then, there have been no new infections, so it can be said that the task of eradicating smallpox was successfully completed more than three decades ago.