This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Heat stroke caused by exposure to the sun and characterized by a rise in temperature, convulsions, and coma. Also called insolation, siriasis.

n. Heatstroke caused by an excessive exposure to the sun's rays.

n. Any affection produced by the action of the sun on some part of the body; especially, a sudden prostration of the physical powers, with symptoms resembling those of apoplexy, occasioned by exposure to excessive heat, and often terminating fatally; coup de soleil.

n. Acute prostration from excessive heat of weather.

n. Same as folletage.

n. sudden prostration due to exposure to the sun or excessive heat

"The term sunstroke is applied to affections occasioned not exclusively by exposure to the sun's rays, as the word signifies, but by the action of great heat combined generally with humid atmosphere."

heat hyperpyrexia    heatstroke   

electric sunstroke   

coup de soleil    insolation   

dehydration    bronchitis    hypothermia    malnutrition    poliomyelitis    insolation    diphtheria    typhoid    gastroenteritis    dysentery