e‧co‧cide /ˈiːkəʊsaɪd $ ˈiːkoʊ-/ noun [uncountable]
the gradual destruction of a large area of land, including all of the plants, animals etc living there, because of the effects of human activities such as cutting down trees, using pesticides etc Synonym : ecological genocide

[TahlilGaran] Dictionary of Contemporary English ▲