[hi-mol-i-sin, hee-muh-lahy-, hem-uh-]

noun Immunology.

a substance, as an antibody, that in cooperation with complement causes dissolution of red blood cells.

Origin of hemolysin

First recorded in 1895–1900; hemo- + lysin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

hemolysin in Medicine


[hĭ-mŏlĭ-sĭn, hē′mə-lī-]


An agent or a substance, such as an antibody or a bacterial toxin, that causes the destruction of red blood cells, thereby liberating hemoglobin.erythrocytolysin erythrolysin
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.