self-penetrability

18 LETTERS · 6 SYLLABLES · STARTS WITH S

self-penetrability is a valid 18-letter word worth 27 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1L1F4-0P3E1N1E1T1R1A1B3I1L1I1T1Y4

1 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does self-penetrability mean?