- a combining form meaning “ferment,” “leaven,” used in the formation of compound words: zymology.
Also especially before a vowel, zym-.
Origin of zymo-
combining form representing Greek zȳ́mē leaven
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel zym-
- indicating fermentationzymology
from Greek zumē leaven
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
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.