plural exanthems also exanthemata ˌeg-ˌzan-ˈthe-mə-tə How to pronounce exanthem (audio) or exanthemas
: an eruptive disease (such as measles) or its symptomatic eruption

Word History

Etymology

Late Latin exanthema, from Greek exanthēma, from exanthein to bloom, break out, from ex- + anthos flower — more at anthology

First Known Use

1656, in the meaning defined above

Time Traveler
The first known use of exanthem was in 1656

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Cite this Entry

“Exanthem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exanthem. Accessed 10 Mar. 2025.

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