Scrabble Dictionary

Check if your word is playable in Scrabble.

Yes, dynamo is playable

...and is worth 13 points.

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OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)

"Dynamo" Definition

noun

A generator, especially one for producing direct current.
An extremely energetic and forceful person: a vice president who was the real dynamo of the corporation.
A forceful energetic individual.