refraction circle

17 LETTERS · STARTS WITH R

refraction circle is a valid 17-letter word worth 25 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1F4R1A1C3T1I1O1N1C3I1R1C3L1E1

1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 3 + 1 + 1 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does refraction circle mean?