nobiliary particle

18 LETTERS · STARTS WITH N

nobiliary particle is a valid 18-letter word worth 26 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1B3I1L1I1A1R1Y4P3A1R1T1I1C3L1E1

1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 1 + 1 + 3 + 1 + 1 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does nobiliary particle mean?