alfven surface
Word Rarity
Very rare
Frequency: 1.25 in modern English
24
Scrabble Score
13
Letters
3
Syllables
10
Unique Chars
Meaning
noun
The outer edge of the corona. The boundary that separates a star's atmosphere from its exosphere (heliosphere, astrosphere), where Alfven waves transition into stellar wind (solar wind).
Etymology
Named after H.O.G. Alfvén.