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  1. Efficiency - Wikipedia

    Efficiency is the often measurable ability to avoid making mistakes or wasting materials, energy, efforts, money, and time while performing a task. In a more general sense, it is the ability to do things well, …

  2. EFFICIENCY Definition & Meaning - Merriam-Webster

    The meaning of EFFICIENCY is the quality or degree of being efficient. How to use efficiency in a sentence.

  3. EFFICIENCY definition and meaning | Collins English Dictionary

    In physics and engineering, efficiency is the ratio between the amount of energy a machine needs to make it work, and the amount it produces.

  4. EFFICIENCY | definition in the Cambridge English Dictionary

    EFFICIENCY meaning: 1. the quality of achieving the largest amount of useful work using as little energy, fuel, effort…. Learn more.

  5. How Efficiency Is Measured - Investopedia

    May 29, 2025 · Efficiency means that an entity is operating at an optimum level of performance. It is a measurable concept that can be determined by the ratio of useful output to total input. A company that...

  6. Efficiency - definition of efficiency by The Free Dictionary

    1. the state or quality of being efficient. 2. accomplishment of or ability to accomplish a job with a minimum expenditure of time and effort. 3. the ratio of the work done by a machine to the energy …

  7. Effectiveness” vs. “Efficacy” vs. “Efficiency”: When To Use Each …

    Feb 26, 2021 · “Effectiveness” vs. “Efficacy” vs. “Efficiency”: When To Use Each Word For The Best Results February 26, 2021 Effectiveness Efficacy Efficiency Vaccine Efficacy vs. Effectiveness …

  8. Efficiency - Econlib

    At its core, efficiency is about the relationship between ends and means—getting the most out of limited resources and achieving goals with minimal waste.

  9. The Significance of “Getting Cheaper” Efficiency

    5 days ago · By focusing on the notion of efficiency in a way that an engineer, rather than an economist, would address the problem, Potter has presented a fresh and engaging set of tools for understanding …

  10. Efficiency Definition & Meaning | Britannica Dictionary

    EFFICIENCY meaning: 1 : the ability to do something or produce something without wasting materials, time, or energy the quality or degree of being efficient (technical); 2 : efficiency apartment