mutation stop

13 LETTERS · STARTS WITH M

mutation stop is a valid 13-letter word worth 16 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

M3U1T1A1T1I1O1N1S1T1O1P3

3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 3 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does mutation stop mean?