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saprozoic

British  
/ ˌsæprəʊˈzəʊɪk /

adjective

  1. (of animals or plants) feeding on dead organic matter

  2. of or relating to nutrition in which the nutrient substances are derived from dead organic matter

"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