roseola infantum

noun

roseola in·​fan·​tum -in-ˈfan-təm 

: a mild virus disease of infants and children marked by fever lasting usually three days followed by an eruption of rose-colored spots and caused by a herpesvirus (species Human herpesvirus 6 of the genus Roseolovirus)

Word History

Etymology

borrowed from New Latin, "roseola of infants"

First Known Use

circa 1935, in the meaning defined above

Medical Definition

roseola infantum

noun

roseola in·​fan·​tum -in-ˈfant-əm 

: a mild virus disease of infants and children that is characterized by fever lasting three days followed by an eruption of rose-colored spots and is caused by a herpesvirus (species Human herpesvirus 6 of the genus Roseolovirus)

called also exanthema subitum, exanthem subitum