zo·o·gen·ic (z???-j?n??k) also zo·og·e·nous (z?-?j??-n?s)adj. Originating in or produced by animals.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.zoogenic (?z????d??n?k) adjproduced from animalsCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014zo?o?gen?ic (?zo? ??d??n ?k) also zo?og?e?nous (zo???d? ? n?s) adj. 1. produced or caused by animals. 2. pertaining or related to animal development or evolution. [1860?65] zo`o?gen?e?sis, zo?og?e?ny, n. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.