roseola
Americannoun
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a feverish condition of young children that lasts for some five days during the last two of which the patient has a rose-coloured rash. It is caused by the human herpes virus
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any red skin eruption or rash
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Derived Forms
Etymology
Origin of roseola
1810–20; < New Latin, equivalent to Latin rose ( us ) rose-colored + -ola -ole 1
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
HHV-6B infects roughly 90 percent of children by age two and is best known for causing roseola infantum -- or "sixth disease" -- the most common cause of febrile seizures in young children.
From Science Daily • Jan. 7, 2026
The disease is characterized by respiratory symptoms, fever, conjunctivitis and a rash that can be mistaken for roseola, scarlet fever or other viral infections.
From New York Times • Jan. 24, 2024
There is no question that mistakes in diagnosis have occurred from confounding r�theln, roseola, etc., which closely simulate measles, with that disease.
From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various
During some epidemics the only one observed is herpes labialis; in others the eruption resembles roseola, measles, or the mulberry rash of typhus, or from the first it consists of petechi�, vibices, or extensive ecchymoses.
From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various
They are, chiefly, and in general terms, exanthems, including erythema, roseola, and urticaria, and in addition herpes, particularly of the lips.
From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
