Noun
an enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteria
Source: WordNetAlthough he was able to obtain larger amounts of lysozyme from egg whites, the enzyme was only effective against small counts of harmless bacteria, and therefore had little therapeutic potential. Source: Internet
Even if the microorganism does get into the eye, tears contain the enzyme lysozyme, which will kill most invading microorganisms. Source: Internet
The lysozyme enzyme can also damage bacterial cell walls. Source: Internet