Main Entry: roseola in·fan·tum

Pronunciation: \-in-ˈfan-təm\

Function: noun

Etymology: New Latin, infant roseola

Date: circa 1935

: 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)