isohemolysis
noun
iso·he·mol·y·sis
variants:
or chiefly British isohaemolysis \ ˌī-sō-hi-ˈmäl-ə-səs 
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plural isohemolyses\ -ˌsēz
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Medical Definition of isohemolysis
: lysis of the red blood cells of one individual by antibodies in the serum of another of the same species