air mass
noun
: a body of air extending hundreds or thousands of miles horizontally and sometimes as high as the stratosphere and maintaining as it travels nearly uniform conditions of temperature and humidity at any given level
Examples of air mass in a Sentence
Recent Examples on the Web
In Mississippi, a very cold air mass crossed the region.
—
Minyvonne Burke, NBC News, 19 Feb. 2025
What is Causing the Cold Weather in the South
An Arctic air mass is blanketing the eastern two-thirds of the United States, bringing extreme cold to vast portions of the country, according to the NWS.
—John Yoo and John Shu, Newsweek, 23 Jan. 2025
An arctic air mass sprawling across the eastern, central and parts of the western U.S. on Monday will channel temperatures 20-30 degrees below already historically cold January averages and was poised to slam parts of the South with a disruptive winter storm.
—John Bacon, USA TODAY, 20 Jan. 2025
Southeast Oregon and southwest Idaho will get clipped by this cold air mass, causing temperatures to drop roughly 10-15 degrees below normal.
—Vincent Medina, Idaho Statesman, 18 Jan. 2025
See All Example Sentences for air mass
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Minyvonne Burke, NBC News, 19 Feb. 2025
What is Causing the Cold Weather in the South
An Arctic air mass is blanketing the eastern two-thirds of the United States, bringing extreme cold to vast portions of the country, according to the NWS.
—John Yoo and John Shu, Newsweek, 23 Jan. 2025
An arctic air mass sprawling across the eastern, central and parts of the western U.S. on Monday will channel temperatures 20-30 degrees below already historically cold January averages and was poised to slam parts of the South with a disruptive winter storm.
—John Bacon, USA TODAY, 20 Jan. 2025
Southeast Oregon and southwest Idaho will get clipped by this cold air mass, causing temperatures to drop roughly 10-15 degrees below normal.
—Vincent Medina, Idaho Statesman, 18 Jan. 2025
See All Example Sentences for air mass
Cite this Entry
“Air mass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20mass. Accessed 20 May. 2025.
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