aerial drainage

noun

: the downslope flow of surface air caused by its relatively high density produced by contact cooling, especially prevalent on still clear nights in hilly or mountainous terrain

Word History

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of aerial drainage was in 1886

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Dictionary Entries Near aerial drainage

aerial cascade

aerial drainage

aerial farming

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Cite this Entry

“Aerial drainage.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerial%20drainage. Accessed 30 Nov. 2024.

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