exanthema

UK: /ˌɛksænˈθiːmə/ US: (eg′zan thē′mə, ek′san-)

WordReference Random House Unabridged Dictionary of American English © 2025

ex•an•the•ma  (eg′zan thē′mə, ek′san-), n., pl. -the•ma•ta (-them′ə tə, -thē′mə-), -the•mas. 

1. Pathology exanthem.

• 1650–60

Collins Concise English Dictionary © HarperCollins Publishers::

exanthema / ˌɛksænˈθiːmə/, exanthem / ɛkˈsænθəm/ noun ( -themata / -ˈθiːmətə/, -themas, -thems)

1. a skin eruption or rash occurring as a symptom in a disease such as measles or scarlet fever

Etymology: 17th Century: via Late Latin from Greek, from exanthein to burst forth, from anthein to blossom, from anthos flower

exanthematous / ˌɛksænˈθɛmətəs/, exanthematic / ɛkˌsænθɪˈmætɪk/ adjective