heliosis

Noun

heliosis (usually uncountable, plural helioses)

1. (usually) Sunstroke.
2. (usually) Sunburn.
3. (usually) Exposure to the sun.
4. (usually) Scorching of plants by the sun.
5. (historical, usually) A sunroom or solarium of the Ancient Greeks.
   • The Greeks had their helioses and the Romans their solaria; yet heliotherapy has as yet scarcely emerged from the most empiric of performances into the dignity of a scientifically justified or rationalized procedure.1925, Hobart Amory Hare, Progressive Medicine, page 219
   • The Greeks and Romans constructed in their homes special sun parlors (called helioses or thermae).1933, Frank Hammond Krusen, Light Therapy, page 4