airmass source region
Word Rarity
Very rare
Frequency: 1.40 in modern English
24
Scrabble Score
19
Letters
4
Syllables
11
Unique Chars
Meaning
noun
An extensive area of the Earth's surface over which bodies of air frequently remain for a sufficient time to acquire characteristic temperature and moisture properties imparted by that surface. Air so modified becomes identifiable as a distinct airmass.