radioactive fallout

19 LETTERS · STARTS WITH R

radioactive fallout is a valid 19-letter word worth 27 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1A1D2I1O1A1C3T1I1V4E1F4A1L1L1O1U1T1

1 + 1 + 2 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 0 + 4 + 1 + 1 + 1 + 1 + 1 + 1 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does radioactive fallout mean?