desmolase

[dĕzmə-lās′, -lāz′]
n.
  1. Any of various enzymes that break or form carbon-to-carbon bonds in a molecule and that play a role in respiration and fermentation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.