onychomadesis

noun
on·​y·​cho·​ma·​de·​sis | \ ˌän-i-kō-mə-ˈdē-səs How to pronounce onychomadesis (audio) \
plural onychomadeses\ -​ˌsēz How to pronounce onychomadeses (audio) \

Medical Definition of onychomadesis

: loosening and shedding of the nails