bacteria genus

NOUN
14 LETTERS · STARTS WITH B

bacteria genus is a valid 14-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3A1C3T1E1R1I1A1G2E1N1U1S1
3 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does bacteria genus mean?