nuclear isomer

14 LETTERS · STARTS WITH N

nuclear isomer is a valid 14-letter word worth 17 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1U1C3L1E1A1R1I1S1O1M3E1R1

1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 3 + 1 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does nuclear isomer mean?