osteolysis

noun
os·​te·​ol·​y·​sis | \ ˌäs-tē-ˈäl-ə-səs How to pronounce osteolysis (audio) \
plural osteolyses\ -​ˌsēz How to pronounce osteolyses (audio) \

Medical Definition of osteolysis

: dissolution of bone especially when associated with resorption

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