nonperiodical

13 LETTERS · 6 SYLLABLES · STARTS WITH N

nonperiodical is a valid 13-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1N1P3E1R1I1O1D2I1C3A1L1

1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 2 + 1 + 3 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does nonperiodical mean?