acanthocytosis

noun
acan·​tho·​cy·​to·​sis | \ ə-ˌkan(t)-thə-ˌsī-ˈtō-səs How to pronounce acanthocytosis (audio) \
plural acanthocytoses\ -​ˈtō-​ˌsēz How to pronounce acanthocytoses (audio) \

Medical Definition of acanthocytosis

1 : the presence of acanthocytes in the blood Acanthocytosis on the peripheral smear may be caused by acquired liver disease … — Patricia A. Oneal et al., in Bethesda Handbook of Clinical Hematology, 2009
2 : an abnormal state characterized by the presence of acanthocytes in the blood especially : abetalipoproteinemia hereditary acanthocytosis