zy·mur·gy (z??mûr?j?)n. The branch of chemistry that deals with fermentation processes, as in brewing.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.zymurgy (?za?m??d??) n (Biochemistry) the branch of chemistry concerned with fermentation processes in brewing, etcCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014zy?mur?gy (?za? m?r d?i) n. the branch of applied chemistry dealing with fermentation, as in winemaking or brewing. [1865?70; zym(o)- + -urgy] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.zymurgya branch of applied chemistry that studies fermentation processes, as in brewing.See also: Fermentation-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.zymurgyThe branch of chemistry that deals with fermentation processes, for example in brewing.Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited