It is intended to signify a ...

It is intended to signify a coordinated plan of different actions aiming at the destruction of essential foundations of the life of national groups, with the aim of annihilating the groups themselves. The objectives of such a plan would be the disintegration of the political and social institutions, of culture, language, national feelings, religion, and the economic existence of national groups, and the destruction of the personal security, liberty, health, dignity, and even the lives of the individuals belonging to such groups.
 Raphael Lemkin

Quotes from the same author

I became interested in genocide, because it happened so many times. It happened to the Armenians and after the Armenians, Hitler took action.
 Raphael Lemkin