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
Example sentences from the Web for dyna-
Dynam, the unit of work, or the force required to raise one pound one foot in one second.
The Nuttall Encyclopaedia|Edited by Rev. James WoodDynam, dī′nam, n. a unit of work, a foot-pound: the resultant of all the forces acting on a body.