free air

noun

: air not under restraint (as by pressure or flow) : normal atmospheric air
specifically : all of the atmosphere usually above 100 feet from the earth that is not greatly bound or restricted in its movements by surface friction of the earth and the resulting turbulence

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Cite this Entry

“Free air.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/free%20air. Accessed 30 Mar. 2023.

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