luminous exitance

17 LETTERS · STARTS WITH L

luminous exitance is a valid 17-letter word worth 27 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
L1U1M3I1N1O1U1S1E1X8I1T1A1N1C3E1
1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 8 + 1 + 1 + 1 + 1 + 3 + 1 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does luminous exitance mean?

1