"air mass." YourDictionary, n.d. Web. 14 September 2018. <http://www.yourdictionary.com/air-mass>.
air mass. (n.d.). Retrieved September 14th, 2018, from http://www.yourdictionary.com/air-mass
(plural air masses)
From air + mass, perhaps a calque of German Luftmasse.
Yes, I'd like to receive Word of the Day emails from YourDictionary.com
By continuing, you agree to our
Please set a username for yourself.
People will see it as Author Name with your public flash cards.