refine upon

11 LETTERS · STARTS WITH R

refine upon is a valid 11-letter word worth 15 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1F4I1N1E1U1P3O1N1

1 + 1 + 4 + 1 + 1 + 1 + 0 + 1 + 3 + 1 + 1 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does refine upon mean?