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
Expect the cooler, drier air mass to stick around.
—
Anna Skinner, MSNBC Newsweek, 25 Aug. 2025
Resultant unseasonably strong instability will create a fire environment capable of producing explosive fire behavior through significant vertical plume growth, as minimum relative humidity ranges from 8 to 20 percent in the dry air mass.
—Ca Weather Bot, Sacbee.com, 17 Aug. 2025
However, an air mass can sometimes block a storm, driving it north or northeast toward the Baja California peninsula and the west coast of Mexico.
—The New York Times, New York Times, 31 July 2025
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.
—Quanta Magazine, 10 July 2025
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Anna Skinner, MSNBC Newsweek, 25 Aug. 2025
Resultant unseasonably strong instability will create a fire environment capable of producing explosive fire behavior through significant vertical plume growth, as minimum relative humidity ranges from 8 to 20 percent in the dry air mass.
—Ca Weather Bot, Sacbee.com, 17 Aug. 2025
However, an air mass can sometimes block a storm, driving it north or northeast toward the Baja California peninsula and the west coast of Mexico.
—The New York Times, New York Times, 31 July 2025
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.
—Quanta Magazine, 10 July 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 10 Sep. 2025.
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