plural -s

Definition of airshed

: the air supply of a given region also : the geographical area covered by such an air supply

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First Known Use of airshed

1955, in the meaning defined above

History and Etymology for airshed

air + -shed (as in watershed)

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The first known use of airshed was in 1955

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Cite this Entry

“Airshed.” Dictionary, Merriam-Webster, Accessed 17 May. 2021.

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