hyporiboflavinosis

noun
hy·​po·​ri·​bo·​fla·​vin·​o·​sis | \ -ˌrī-bə-ˌflā-və-ˈnō-səs How to pronounce hyporiboflavinosis (audio) \
plural hyporiboflavinoses\ -​ˌsēz How to pronounce hyporiboflavinoses (audio) \

Medical Definition of hyporiboflavinosis