Is “Colicin” a Scrabble word?
Yes
COLICIN
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 Colicin
noun
1.Any of a class of proteins, secreted by certain strains of bacteria, that kill but do not lyse other strains