Is “Biofilm” a Scrabble word?
Yes
BIOFILM
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Biofilm
noun
1.A thin film of mucus created by and containing a colony of bacteria and other microorganisms.