any of a class of enzymes that act as catalysts in chemical reactions involving double bonds
Origin of lyasely(sis) + -ase
Any of a group of enzymes that catalyze the formation of double bonds by removing chemical groups from a substrate without hydrolysis or catalyze the addition of chemical groups to double bonds.
Origin of lyaseGreek lūein, to loosen; see leu- in Indo-European roots + –ase.
- (biochemistry) Any of many classes of enzyme that catalyze the breaking of a specific form of bond