Is “Dynamo” a Scrabble word?
Yes
DYNAMO
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 Dynamo
/ˈdaɪnəmoʊ/
noun
1.An electricity generator, a dynamo-electric machine.
2.An energetic person.
“That new Vice President of Marketing is a real dynamo; sales have already gone up this quarter.”