insolation

noun

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in·so·la·tion | \ ˌin-(ˌ)sō-ˈlā-shən

Definition of insolation

1 : exposure to the sun's rays

2 : sunstroke

3a : solar radiation that has been received

b : the rate of delivery of direct solar radiation per unit of horizontal surface broadly : that relating to total solar radiation

Examples of insolation in a Sentence

Recent Examples on the Web The drill core reveals that the climate of East Africa was largely influenced by changes in solar insolation, which led to either wet or dry climate conditions. — David Bressan, Forbes, 16 June 2021 His concerns over the growing realities of global warming led to a controversial foray into theoretical geoengineering, proposing injection of sulfur gases into the atmosphere to reduce insolation. — Colin Waters, Scientific American, 5 Feb. 2021 The same thing happens in summer — there’s a delay between when solar insolation is at its maximum (the summer solstice in June) and when the hottest months are (usually July or August). — Brian Resnick, Vox, 18 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'insolation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.