bacteriolysin

[băk-tîr′ē-ŏlĭ-sĭn, -ə-līsĭn]

n.

An antibody that, together with other substances, destroys a bacterium.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.