surface yeast

13 LETTERS · STARTS WITH S

surface yeast is a valid 13-letter word worth 20 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1R1F4A1C3E1Y4E1A1S1T1

1 + 1 + 1 + 4 + 1 + 3 + 1 + 0 + 4 + 1 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does surface yeast mean?