roseola infantum

noun

roseola in·​fan·​tum -in-ˈfan-təm How to pronounce roseola infantum (audio)
: 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

Time Traveler
The first known use of roseola infantum was circa 1935

Dictionary Entries Near roseola infantum

Cite this Entry

“Roseola infantum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roseola%20infantum. Accessed 26 May. 2024.

Medical Definition

roseola infantum

noun
roseola in·​fan·​tum -in-ˈfant-əm How to pronounce roseola infantum (audio)
: 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

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