fucosidosis

noun

fu·​co·​si·​do·​sis -ˌkō-sə-ˈdō-səs 

plural fucosidoses -ˌsēz 

: a disorder of metabolism inherited as a recessive trait and characterized by progressive neurological degeneration, deficiency of the alpha stereoisomer of fucosidase, and accumulation of fucose-containing carbohydrates