efficacité

efficiency, effectiveness

noun eh-fee-ka-see-TEH Rare

Origin: From Latin efficacitas, from efficax (effective).

Usage Note

efficacité is the quality of producing the desired result. It is distinct from efficience, which implies achieving results with minimal waste (efficiency in the engineering sense). L'efficacité d'un médicament is a drug's effectiveness; travailler avec efficacité means to work effectively.

Examples

"On admire l'efficacité de cette méthode."

Natural Translation

The effectiveness of this method is admired.

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