a disease affecting children, characterized by inflammation of the brain and a burning fever
siriasis in American English
(sɪˈraiəsɪs)
noun
Pathology
sunstroke
Word origin
[1595–1605; ‹ L sīriāsis ‹ Gk seiríāsis, equiv. to seiri(ân) to be hot, scorching (deriv. of Seíriossirius) + -āsis-asis]This word is first recorded in the period 1595–1605. Other words that entered Englishat around the same time include: condensation, posture, premium, slur, toss