leuco base

10 LETTERS · STARTS WITH L

leuco base is a valid 10-letter word worth 13 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

L1E1U1C3O1B3A1S1E1

1 + 1 + 1 + 3 + 1 + 0 + 3 + 1 + 1 + 1 =13 PTS

DOUBLE WORD → 26TRIPLE WORD → 39

MEANING

What does leuco base mean?