structural drag

15 LETTERS · STARTS WITH S

structural drag is a valid 15-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1T1R1U1C3T1U1R1A1L1D2R1A1G2

1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 2 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does structural drag mean?