sunspot period

14 LETTERS · STARTS WITH S

sunspot period is a valid 14-letter word worth 18 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1U1N1S1P3O1T1P3E1R1I1O1D2
1 + 1 + 1 + 1 + 3 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 2 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does sunspot period mean?

1