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We found 67 dictionaries with English definitions that include the word efficiency:
Click on the first link on a line below to go directly to a page where "efficiency" is defined.

General dictionaries General (28 matching dictionaries)
  1. efficiency: Dictionary/thesaurus [home, info]
  2. efficiency: LookWAYup Translating Dictionary/Thesaurus [home, info]
  3. efficiency: WordNet 1.7 Vocabulary Helper [home, info]
  4. efficiency: Mnemonic Dictionary [home, info]
  5. efficiency: Free Dictionary [home, info]
  6. efficiency: Stammtisch Beau Fleuve Acronyms [home, info]
  7. efficiency: Webster's 1828 Dictionary [home, info]
  8. efficiency, efficiency: AllWords.com Multi-Lingual Dictionary [home, info]
  9. efficiency: Rhymezone [home, info]
  10. Efficiency: Online Plain Text English Dictionary [home, info]
  11. Efficiency, Efficiency (statistics), Efficiency (network science), Efficiency (finance), Efficiency (economics), Efficiency (disambiguation), Efficiency (basketball), Efficiency (Network Science): Wikipedia, the Free Encyclopedia [home, info]
  12. efficiency: Cambridge Dictionary of American English [home, info]
  13. efficiency: UltraLingua English Dictionary [home, info]
  14. efficiency: Dictionary.com [home, info]
  15. efficiency: Infoplease Dictionary [home, info]
  16. efficiency: The Wordsmyth English Dictionary-Thesaurus [home, info]
  17. efficiency: Webster's New World College Dictionary, 4th Ed. [home, info]
  18. efficiency: Wiktionary [home, info]
  19. efficiency: Cambridge Advanced Learner's Dictionary [home, info]
  20. efficiency, Efficiency: Wordnik [home, info]
  21. efficiency: Macmillan Dictionary [home, info]
  22. efficiency: Vocabulary.com [home, info]
  23. efficiency: Collins English Dictionary [home, info]
  24. efficiency: American Heritage Dictionary of the English Language [home, info]
  25. efficiency: Oxford Dictionaries [home, info]
  26. efficiency: Merriam-Webster.com [home, info]

Business dictionaries Business (16 matching dictionaries)
  1. efficiency: BusinessDictionary.com [home, info]
  2. Efficiency: Accounting, Business Studies and Economics Dictionary [home, info]
  3. Efficiency: Financial dictionary [home, info]
  4. efficiency: Legal dictionary [home, info]
  5. Efficiency: Broadcast Media Terms [home, info]
  6. Efficiency: Investopedia [home, info]
  7. Efficiency: Futures and Options Market Terminology [home, info]
  8. Efficiency: Deardorff's Glossary of International Economics [home, info]
  9. Efficiency: FACS Journalist's Guide to Economic Terms [home, info]
  10. Efficiency: Construction Term Glossary [home, info]
  11. efficiency: Glossary of research economics [home, info]
  12. Efficiency: Bloomberg Financial Glossary [home, info]
  13. EFFICIENCY: Accounting Glossary [home, info]
  14. efficiency: INVESTORWORDS [home, info]
  15. efficiency: Travel Industry Dictionary [home, info]
  16. Efficiency: MoneyGlossary.com [home, info]

Computing dictionaries Computing (3 matching dictionaries)
  1. efficiency, Efficiency (statistics): Encyclopedia [home, info]
  2. efficiency: Dictionary of Algorithms and Data Structures [home, info]
  3. Efficiency: Cybernetics and Systems [home, info]

Medicine dictionaries Medicine (4 matching dictionaries)
  1. efficiency: Medical dictionary [home, info]
  2. Efficiency: Glossary of Medical Education Terms [home, info]
  3. efficiency: online medical dictionary [home, info]
  4. Efficiency: Medical Dictionary [home, info]

Miscellaneous dictionaries Miscellaneous (1 matching dictionary)
  1. efficiency: A Brief Critical Dictionary of Education [home, info]

Science dictionaries Science (4 matching dictionaries)
  1. Efficiency: Fundamental Statistics for the Behavioral Sciences [home, info]
  2. efficiency: PlanetMath Encyclopedia [home, info]
  3. efficiency: Game Theory Dictionary [home, info]
  4. Efficiency: Eric Weisstein's World of Physics [home, info]

Tech dictionaries Tech (11 matching dictionaries)
  1. Efficiency: Sweetwater Music [home, info]
  2. Efficiency: Glossary of Energy Terms [home, info]
  3. Efficiency: PUMP AND SEAL TERMS [home, info]
  4. EFFICIENCY: Lake and Water Word Glossary [home, info]
  5. Efficiency: Glossary of video terms [home, info]
  6. EFFICIENCY: Glossary of Common Hearth and Heating Terms [home, info]
  7. EFFICIENCY: Energy Terms [home, info]
  8. Efficiency: Dairy Glossary [home, info]
  9. Efficiency: AUTOMOTIVE TERMS [home, info]
  10. efficiency: NATURAL RESOURCES DEFENSE COUNCIL [home, info]
  11. efficiency: Electronics [home, info]

(Note: See efficiencys for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (efficiency)

noun:  skillfulness in avoiding wasted time and effort ("She did the work with great efficiency")
noun:  the ratio of the output to the input of any system

▸ Also see efficiencys

Words similar to efficiency

Usage examples for efficiency

Popular adjectives describing efficiency

Words that often appear near efficiency

Rhymes of efficiency

Invented words related to efficiency

Phrases that include efficiency:   efficiency apartment, thermal efficiency, efficiency engineer, luminous efficiency, weak form efficiency, more...

Words similar to efficiency:   efficiencies, more...

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