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dyna-

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a combining form meaning “power,” used in the formation of compound words: dynamotor.

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The rainy weather could not ________ my elated spirits on my graduation day.
Also dynam-, dynamo-.

Origin of dyna-

Combining form of Greek dýnamis power, dýnasthai to be able
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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