GNU Collaborative International Dictionary of English

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Found one definition

1.       
   Insolation (?), n. [L. insolatio: cf. F. insolation.]
   
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   1. The act or process to exposing to the rays of the sun for the purpose of drying or maturing, as fruits, drugs, etc., or of rendering acid, as vinegar.
   
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   2. (Med.) (a) A sunstroke. (b) Exposure of a patient to the sun's rays; a sun bath.
   
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   3. (Meteorology) The amount of sunlight impinging on the Earth's surface.
   
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