Is “Microbe” a Scrabble word?
Yes
MICROBE
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 Microbe
/ˈmaɪkɹoʊb/
noun
1.Any microorganism, but especially a harmful bacterium.