the destruction of large areas of the natural environment by such activity as nuclear warfare, overexploitation of resources, or dumping of harmful chemicals.
Origin of ecocide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
total destruction of an area of the natural environment, esp by human agency
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012