In`so*la"tion (?), n. [L. insolatio: cf. F. insolation.]
The act or process to exposing to the rays of the sun fro the purpose of drying or maturing, as fruits, drugs, etc., or of rendering acid, as vinegar.
2. Med. (a)
Exposure of a patient to the sun's rays; a sun bath.
© Webster 1913.