Is “Lysin” a Scrabble word?
Yes
LYSIN
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 Lysin
/ˈlaɪsɪn/
noun
1.Any substance or antibody that can cause the destruction (by lysis) of blood cells, bacteria etc