periphyton

10 LETTERS · 4 SYLLABLES · STARTS WITH P

periphyton is a valid 10-letter word worth 20 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3E1R1I1P3H4Y4T1O1N1

3 + 1 + 1 + 1 + 3 + 4 + 4 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does periphyton mean?