exposure to the sun; sunburn
Synonym: sunstroke. ... Origin: helio-+ G. -osis, condition ... (05 Mar 2000) ... 
Type: Term Pronunciation: hē′lē-ō′sis Synonyms: sunstroke
heliosis Sunstroke or thermic fever; a condition produced by exposure to the sun, and marked by convulsions, coma, and a high temperature of the skin.