optical isomer

14 LETTERS · STARTS WITH O

optical isomer is a valid 14-letter word worth 19 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

O1P3T1I1C3A1L1I1S1O1M3E1R1

1 + 3 + 1 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 3 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does optical isomer mean?