self-precipitation

18 LETTERS · 5 SYLLABLES · STARTS WITH S

self-precipitation is a valid 18-letter word worth 26 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1L1F4-0P3R1E1C3I1P3I1T1A1T1I1O1N1

1 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does self-precipitation mean?