diurnal circle

14 LETTERS · STARTS WITH D

diurnal circle is a valid 14-letter word worth 18 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2I1U1R1N1A1L1C3I1R1C3L1E1

2 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 3 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does diurnal circle mean?