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
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And the principles are conservation of water mass, air mass, conservation of energy, conservation of momentum in three directions, and the state equation for air, the ideal gas law.
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Quanta Magazine, 10 July 2025
Late into the night of Friday, July 3, the remnants of tropical storm Barry combined with an unusually humid air mass.
—Katharine Hayhoe, Time, 10 July 2025
Meteorologists call this type of air mass the Saharan Air Layer, or SAL.
—Meghan Bartels, Scientific American, 30 May 2025
The clash between a cool air mass dropping down from the north and warm, moist air coming in from the Gulf will help create the sort of instability in the atmosphere on Friday that can fuel powerful thunderstorms.
—Amy Graff, New York Times, 16 May 2025
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Quanta Magazine, 10 July 2025
Late into the night of Friday, July 3, the remnants of tropical storm Barry combined with an unusually humid air mass.
—Katharine Hayhoe, Time, 10 July 2025
Meteorologists call this type of air mass the Saharan Air Layer, or SAL.
—Meghan Bartels, Scientific American, 30 May 2025
The clash between a cool air mass dropping down from the north and warm, moist air coming in from the Gulf will help create the sort of instability in the atmosphere on Friday that can fuel powerful thunderstorms.
—Amy Graff, New York Times, 16 May 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 29 Jul. 2025.
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