Definition of Insolation

1. Noun. Sudden prostration due to exposure to the sun or excessive heat.

Exact synonyms: Siriasis, Sunstroke, Thermic Fever
Generic synonyms: Heat Hyperpyrexia, Heatstroke
Derivative terms: Insolate

2. Noun. Incident solar radiation.
Generic synonyms: Solar Radiation
Derivative terms: Insolate

3. Noun. Therapeutic exposure to sunlight.
Exact synonyms: Heliotherapy
Generic synonyms: Therapy
Derivative terms: Insolate

Definition of Insolation

1. n. 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.

Definition of Insolation

1. Noun. The incident radiant energy emitted by the sun which reaches a unit area over a period of time, typically measured over a horizontal area at the Earth's surface or at the top of Earth's atmosphere. ¹

2. Noun. The rate of delivery of such radiation. ¹

3. Noun. The act or process of exposing to the rays of the sun, such as for the purpose of medical treatment, drying or maturing, as fruits, drugs, etc., or of rendering acid, as vinegar. ¹

4. Noun. (medicine dated) sunstroke. ¹

¹ Source:

Definition of Insolation

1. [n -S]

Medical Definition of Insolation

1. 1. 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. A sunstroke. Exposure of a patient to the sun's rays; a sun bath. Origin: L. Insolatio: cf. F. Insolation. Source: Websters Dictionary (01 Mar 1998)

Insolation Pictures

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Lexicographical Neighbors of Insolation

insofar as
insolation (current term)

Literary usage of Insolation

Below you will find example usage of this term as found in modern and/or classical literature:

1. Handbook of Climatology by Julius von Hann (1903)
"These weights are proportional to the total yearly insolation. The following table gives the total yearly insolation for every five degrees of latitude, ..."

2. Physiography by Rollin D. Salisbury (1919)
"Unequal insolation is the most important factor in disturbing the equilibrium of the ... Since the greater insolation is always in the same general zone, ..."

3. Climate, Considered Especially in Relation to Man by Robert DeCourcy Ward (1908)
"As the latitude increases, the angle of insolation becomes more oblique, and the intensity of insolation decreases, but at the same time the length of day ..."

4. The Water-balance of Succulent Plants by Daniel Trembly MacDougal, E. S. Spalding (1910)
"EFFECTS OF insolation. The same phenomenon as in the sahuaro (though again in a less marked degree), of broader furrows and thicker ribs on the north than ..."

5. The Occupational Diseases: Their Causation, Symptoms, Treatment and Prevention by William Gilman Thompson (1914)
"insolation insolation or sunstroke results from a combination of prolonged high ... insolation affects chiefly metal roofers, stokers, foundrymen and ..."

6. Twentieth Century Practice: An International Encyclopedia of Modern Medical by Thomas Lathrop Stedman (1895)
"insolation : Immediate Treatment Necessary. New York Medical Fayer, ... Freeman, A. : insolation with High Temperatures in the Presbyterian Hospital. ..."

7. The Principles of Therapeutics by Oliver Thomas Osborne (1921)
"SUNSTROKE—insolation Sunstroke is a very serious condition which may develop very rapidly, the patient becoming suddenly unconscious, and he may die within ..."

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