Definitions for ecocideˈɛk əˌsaɪd, ˈi kə-
Random House Webster's College Dictionary
ec•o•cideˈɛk əˌsaɪd, ˈi kə-(n.)
the destruction of large areas of the environment by such activity as overexploitation of resources or dumping of toxic chemicals.
Origin of ecocide:
The complete destruction of an ecosystem due to human activities. It may result from exploitation of resources, nuclear warfare or the dumping of harmful chemicals.