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airshed

American  
[air-shed] / ˈɛərˌʃɛd /

noun

Meteorology.
  1. a geographical area within which the air frequently is confined or channeled, with all parts of the area thus being subject to similar conditions of air pollution.


Etymology

Origin of airshed

First recorded in 1910–15; air 1 + (water)shed

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This means identifying the wider area where a city's pollution is produced -- its so-called "airshed."

From Science Daily • Jan. 23, 2024

“Everyone started realizing that airshed management is essential if we want to actually solve the problem,” Singh said.

From Seattle Times • Jan. 20, 2024

That exposure would result in roughly 86 tons of additional dust entering the Salton Sea airshed per day.

From Salon • Jul. 7, 2023

The Environmental Protection Agency in 2018 designated the northern Wasatch Front airshed, which includes part of the Salt Lake City area, as being in violation of federal ozone standards.

From New York Times • Sep. 7, 2021

On 19th April Captain Hawker dropped bombs on a German airshed from a height of only 200 feet.

From The Childrens' Story of the War, Volume 3 (of 10) by Parrott, James Edward