The American Heritage® Dictionary of the English Language, 4th Edition
n. An enzyme that catalyzes the breakdown of hyaluronic acid in the body, thereby increasing tissue permeability to fluids. Also called spreading factor.
n. Any enzyme that catalyses the hydrolysis of hyaluronic acid
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an enzyme (trade name Hyazyme) that splits hyaluronic acid and so lowers its viscosity and increases the permeability of connective tissue and the absorption of fluids
Word Usage
"For hyaluronic acid fillers, there is a magic eraser called hyaluronidase."