zy·mom·e·ter (z?-m?m??-t?r)n. See zymoscope.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.zymometer (za??m?m?t?) n (Biochemistry) an instrument for estimating the degree of fermentationCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014zymometera device for determining degrees of fermentation.See also: Fermentation-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.