The Collaborative International Dictionary of English v.0.48:

Haematolysis \H[ae]m`a*tol"y*sis\
   (h[e^]m`[.a]*t[o^]l"[i^]*s[i^]s or h[e^]`m[.a]-), n. [NL.;
   h[ae]mato- + Gr. ly`sis a loosing, dissolving, fr. ly`ein to
   loose, dissolve.] (Physiol.)
   Dissolution of the red blood corpuscles with diminished
   coagulability of the blood; h[ae]molysis. --
   H[ae]m`a*to*lyt"ic, a.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

haematolysis
    n 1: lysis of erythrocytes with the release of hemoglobin [syn:
         hemolysis, haemolysis, hematolysis, haematolysis]