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  1. EFFICIENCY Definition & Meaning - Merriam-Webster

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

  2. EFFICIENCY | English meaning - Cambridge Dictionary

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

  3. EFFICIENCY definition and meaning | Collins English Dictionary

    Efficiency is the quality of being able to do a task successfully, without wasting time or energy. There are many ways to increase agricultural efficiency in the poorer areas of the world. …

  4. efficiency noun - Definition, pictures, pronunciation and usage …

    Definition of efficiency noun from the Oxford Advanced Learner's Dictionary. [uncountable] the quality of doing something well with no waste of time or money. I was impressed by the …

  5. Efficiency - Definition, Meaning & Synonyms | Vocabulary.com

    Efficiency is avoiding a waste of time, effort, or resources. Many people have begun to use compact fluorescent light bulbs because of their greater energy efficiency.

  6. What does efficiency mean? - Definitions.net

    Efficiency generally refers to the ability or effectiveness of a system, process, or organization to produce the desired output with the least amount of resources or input. It typically involves …

  7. Understand Energy Efficiency | Understand Energy Learning Hub

    Jun 18, 2025 · Energy efficiency is a resource that can meet energy demand just like other energy resources such as coal, natural gas, nuclear, and solar. For example, providing lighting with a …

  8. 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 …

  9. EFFICIENCY - Definition & Translations | Collins English Dictionary

    Discover everything about the word "EFFICIENCY" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

  10. EFFICIENCY | meaning - Cambridge Learner's Dictionary

    EFFICIENCY definition: a good use of time and energy, without wasting any: . Learn more.