dystrophy

NOUN /dɪstrəfi/
9 LETTERS · 3 SYLLABLES · STARTS WITH D

dystrophy is a valid 9-letter word worth 21 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2Y4S1T1R1O1P3H4Y4
2 + 4 + 1 + 1 + 1 + 1 + 3 + 4 + 4 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does dystrophy mean?