any of a group of antibodies or other agents that cause dissolution of cells against which they are directed
WordReference Random House Unabridged Dictionary of American English © 2025
ly•sin
(lī′sin),USA pronunciation n. [Immunol., Biochem.]
- Biochemistry, Immunologyan antibody causing the disintegration of erythrocytes or bacterial cells.
- lys- + -in2 1895–1900
Collins Concise English Dictionary © HarperCollins Publishers::
'lysin' also found in these entries (note: many are not synonyms or translations):