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
Behind the front, wind flow is shifting out of the north and northeast, reinforcing the cooler air mass.
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Brandi D. Addison, USA Today, 30 Apr. 2026
This round of cool air will happen as a cold front sliding through the Great Lakes mid-week will usher in a much drier and colder air mass from the north.
—Ahmad Bajjey, CBS News, 27 Apr. 2026
South Florida will be unseasonably cool this week, as a passing cold front ushers in a dry, breezy air mass that will dominate weather for most of the week.
—Bill Kearney, Sun Sentinel, 20 Apr. 2026
There will be a brief break in the stormy weather on Thursday as a drier air mass moves in.
—Kansas City Star, 15 Apr. 2026
See All Example Sentences for air mass
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Brandi D. Addison, USA Today, 30 Apr. 2026
This round of cool air will happen as a cold front sliding through the Great Lakes mid-week will usher in a much drier and colder air mass from the north.
—Ahmad Bajjey, CBS News, 27 Apr. 2026
South Florida will be unseasonably cool this week, as a passing cold front ushers in a dry, breezy air mass that will dominate weather for most of the week.
—Bill Kearney, Sun Sentinel, 20 Apr. 2026
There will be a brief break in the stormy weather on Thursday as a drier air mass moves in.
—Kansas City Star, 15 Apr. 2026
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 2 May. 2026.
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