lyase From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAny of many classes of enzyme that catalyze the breaking of a specific form of bond Related wordsSynonymscystathioninephenylalaninepectateisocitratecitrateformateorganomercurialammonialigaselipaselactosidaseleadzymelactamaseligninaseexolyasegalactolipase References Wiktionary — lyase Wikipedia — lyase