Is “Rhombencephalon” a Scrabble word?
Yes
RHOMBENCEPHALON
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 Rhombencephalon
/ɹɒmbɛnˈkɛfəlɒn/
noun
1.The hindbrain