Eradication (noun)

1. The complete destruction or elimination of something.
2. The elimination of a disease or pest by removing or destroying the source of infection or infestation.

Origin:

Late middle english, from latin eradicat- "pulled up by the roots", from the verb eradicare, from e- (variant of ex-) "out" + radicare "take root".

Examples:

1. The government has launched a campaign for the eradication of poverty.
2. Eradication of smallpox has been one of the greatest achievements in public health.
3. The use of pesticides has led to the eradication of many harmful insects.
4. The eradication of illiteracy is necessary for the development of the country.
5. The company's goal is the eradication of all forms of discrimination in the workplace.