eclipsing binary

16 LETTERS · STARTS WITH E

eclipsing binary is a valid 16-letter word worth 25 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1C3L1I1P3S1I1N1G2B3I1N1A1R1Y4

1 + 3 + 1 + 1 + 3 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 1 + 1 + 4 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does eclipsing binary mean?