insolation

Borrowed from French insolation, from Latin insolatio (“a setting or placing in the sun”)

• Rhymes: -eɪʃən

insolation (usually uncountable, plural insolations)

1. 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.
2. The rate of delivery of such radiation.
3. 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.
4. (medicine, dated) sunstroke.

• (exposure as medical treatment): sunbath

• insolation on Wikipedia.Wikipedia

• IPA^(key): /ɛ̃.sɔ.la.sjɔ̃/

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insolation f (plural insolations)

1. sunstroke, insolation (heatstroke caused by an excessive exposure to the sun's rays)

• “insolation” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).