Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to roseola infantum: measles
Switch to new thesaurus
|Noun||1.||roseola infantum - a viral disease of infants and young children; characterized by abrupt high fever and mild sore throat; a few days later there is a faint pinkish rash that lasts for a few hours to a few days|
disease - an impairment of health or a condition of abnormal functioning