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Added 9 October 2026

insolation

/ˌɪnsoʊˈleɪʃən/ noun

Latin root: insolatio Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about insolation at Wordnik → Where our words come from →

Sudden prostration due to exposure to the sun or excessive heat.
Incident solar radiation.
Therapeutic exposure to sunlight.

Origin

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

From Wiktionary, via Kaikki.org (CC BY-SA)

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