adherent noun

13 LETTERS · STARTS WITH A

adherent noun is a valid 13-letter word worth 16 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1D2H4E1R1E1N1T1N1O1U1N1

1 + 2 + 4 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does adherent noun mean?