pressure hull

13 LETTERS · STARTS WITH P

pressure hull is a valid 13-letter word worth 17 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1E1S1S1U1R1E1H4U1L1L1

3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does pressure hull mean?