Definition of roseola in English:

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Pronunciation: /ˌrōzēˈōlə/


1A rose-colored rash occurring in measles, typhoid fever, syphilis, and some other diseases.
Example sentences
  • Most other respiratory viruses (such as regular measles, mumps, roseola, mononucleosis [‘mono’] and bronchiolitis) don't seem to increase the normal risk for birth defects.
  • In your daughter's case, I think she may be having either heat rash, eczema, rubella or bacterial infection - but not chicken pox, measles or roseola because these are accompanied by high fever.
1.1 (in full roseola infantum /inˈfantəm/) A disease of young children in which a fever is followed by a rash, caused by a herpes virus.
Example sentences
  • Roseola (also known as sixth disease, exanthem subitum, and roseola infantum) is a viral illness in young children, most commonly affecting children between the ages of 6 months and 2 years.
  • Seizures are most likely to occur early in an illness (such as roseola, colds, gastrointestinal infection) when the fever is rising quickly.
  • Illnesses that most commonly cause febrile convulsions include viral upper respiratory infections such as flu, ear infections, or roseola (a virus causing a temperature and rash).


Early 19th century: modern variant of rubeola, from Latin roseus 'rose-colored'.

For editors and proofreaders

Syllabification: ro·se·o·la

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