sphingolipidosis

noun
sphin·​go·​lip·​i·​do·​sis | \ -ˌlip-ə-ˈdō-səs How to pronounce sphingolipidosis (audio) \
plural sphingolipidoses\ -​ˌsēz How to pronounce sphingolipidoses (audio) \

Medical Definition of sphingolipidosis

: any of various usually hereditary disorders (as Gaucher's disease and Tay-Sachs disease) characterized by abnormal metabolism and storage of sphingolipids