nickel protoxid

15 LETTERS · STARTS WITH N

nickel protoxid is a valid 15-letter word worth 30 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1I1C3K5E1L1P3R1O1T1O1X8I1D2

1 + 1 + 3 + 5 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 8 + 1 + 2 =30 PTS

DOUBLE WORD → 60TRIPLE WORD → 90

MEANING

What does nickel protoxid mean?