surface strain

14 LETTERS · STARTS WITH S

surface strain is a valid 14-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1R1F4A1C3E1S1T1R1A1I1N1

1 + 1 + 1 + 4 + 1 + 3 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does surface strain mean?