ichthyosis hystrix gravior

noun
ichthyosis hys·​trix gra·​vi·​or | \ -ˈhis-triks-ˈgrav-ē-ˌȯr How to pronounce ichthyosis hystrix gravior (audio) , -ˈgräv- How to pronounce ichthyosis hystrix gravior (audio) \

Medical Definition of ichthyosis hystrix gravior

: a rare hereditary disease characterized by the formation of brown, verrucose, and often linear lesions of the skin