roseola infantum

noun
roseola in·fan·tum | \-in-ˈfan-təm \

Definition of roseola infantum 

: 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)

First Known Use of roseola infantum

circa 1935, in the meaning defined above

History and Etymology for roseola infantum

New Latin, infant roseola

Keep scrolling for more

Learn More about roseola infantum

Share roseola infantum

Statistics for roseola infantum

Look-up Popularity

Time Traveler for roseola infantum

The first known use of roseola infantum was circa 1935

See more words from the same year

Keep scrolling for more

More Definitions for roseola infantum

roseola infantum

noun
roseola in·fan·tum | \-in-ˈfant-əm \

Medical Definition of roseola infantum 

: 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

More from Merriam-Webster on roseola infantum

Britannica.com: Encyclopedia article about roseola infantum

Comments on roseola infantum

What made you want to look up roseola infantum? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a generally accepted meaning of a word

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!