Meaning & use
siriasis
Last updated
a condition of illness caused by prolonged exposure to intense sun, especially sunstroke or heatstroke.
See it in a sentence
The old medical text described siriasis as a fever brought on by marching under the summer sun.
Sailors crossing the equator without shade were once thought especially prone to siriasis.
A note on using this word
The word derives from the Dog Star, Sirius, whose rising in antiquity was linked to the hottest days of summer. It survives mainly in older medical dictionaries.
Words with a similar meaning
sunstrokeheatstroke
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