der Wirkungsgrad, -e
efficiency
The German word "Wirkungsgrad" is a noun that means "efficiency" or "effectiveness". It is composed of two parts: "Wirkung," which means "effect" or "impact," and "Grad," which means "degree" or "level." "Wirkungsgrad" is commonly used in technical or scientific contexts to describe the ratio of useful output to the total input in processes such as energy conversion or machine operation.
Similar words in German include "Effizienz" (efficiency) and "Leistungsfähigkeit" (performance capability).
The difference is that "Effizienz" often emphasizes the economic aspect of producing output with minimal waste, while "Wirkungsgrad" refers specifically to the technical measurement of output versus input in a given context.
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Examples
Der Wirkungsgrad dieser Maschine ist beeindruckend.noun
The efficiency of this machine is impressive.
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