Is “Rhizobium” a Scrabble word?
Yes
RHIZOBIUM
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 Rhizobium
noun
1.Any of various bacteria, of the genus Rhizobium, that form nodules on the roots of legumes and fix nitrogen.