Home   Reverse Dictionary   Customize   Browse Dictionaries    Help   

Try the OneLook Thesaurus beta


Word, phrase, or pattern:  

Jump to: General, Art, Business, Computing, Medicine, Miscellaneous, Religion, Science, Slang, Sports, Tech, Phrases 

We found 51 dictionaries with English definitions that include the word operation:
Click on the first link on a line below to go directly to a page where "operation" is defined.

General dictionaries General (29 matching dictionaries)
  1. Operation, operation: Oxford Dictionaries [home, info]
  2. operation: American Heritage Dictionary of the English Language [home, info]
  3. operation: Collins English Dictionary [home, info]
  4. operation: Vocabulary.com [home, info]
  5. operation: Macmillan Dictionary [home, info]
  6. operation: Merriam-Webster's Online Dictionary, 11th Edition [home, info]
  7. operation: Cambridge Advanced Learner's Dictionary [home, info]
  8. Operation: Wiktionary [home, info]
  9. operation: Webster's New World College Dictionary, 4th Ed. [home, info]
  10. operation: The Wordsmyth English Dictionary-Thesaurus [home, info]
  11. operation: Infoplease Dictionary [home, info]
  12. operation: Dictionary.com [home, info]
  13. operation: Online Etymology Dictionary [home, info]
  14. Operation, operation: UltraLingua English Dictionary [home, info]
  15. operation: Cambridge Dictionary of American English [home, info]
  16. Operation (board game), Operation (game), Operation (military), Operation (music), Operation, The Operation (film), The Operation: Wikipedia, the Free Encyclopedia [home, info]
  17. Operation: Online Plain Text English Dictionary [home, info]
  18. operation: Webster's Revised Unabridged, 1913 Edition [home, info]
  19. operation: Rhymezone [home, info]
  20. Operation (f), operation: AllWords.com Multi-Lingual Dictionary [home, info]
  21. operation: Webster's 1828 Dictionary [home, info]
  22. operation: Free Dictionary [home, info]
  23. operation: Mnemonic Dictionary [home, info]
  24. operation: WordNet 1.7 Vocabulary Helper [home, info]
  25. operation: LookWAYup Translating Dictionary/Thesaurus [home, info]
  26. operation: Dictionary/thesaurus [home, info]
  27. operation: Wikimedia Commons US English Pronunciations [home, info]

Business dictionaries Business (4 matching dictionaries)
  1. Operation: MoneyGlossary.com [home, info]
  2. operation: INVESTORWORDS [home, info]
  3. Operation (disambiguation), operation: Legal dictionary [home, info]
  4. operation: BusinessDictionary.com [home, info]

Computing dictionaries Computing (2 matching dictionaries)
  1. Operation: Cybernetics and Systems [home, info]
  2. Operation (disambiguation), Operation (mathematics), operation: Encyclopedia [home, info]

Medicine dictionaries Medicine (6 matching dictionaries)
  1. Operation: MedTerms.com Medical Dictionary [home, info]
  2. Operation: Merck Manuals [home, info]
  3. operation: online medical dictionary [home, info]
  4. Operation: KidsHealth Glossary of Medical Words [home, info]
  5. Operation (disambiguation), operation: Medical dictionary [home, info]
  6. Operation: Drug Medical Dictionary [home, info]

Miscellaneous dictionaries Miscellaneous (4 matching dictionaries)
  1. Operation: Army Technology Glossary [home, info]
  2. Operation: Brilliant Dream Dictionary [home, info]
  3. operation: A Brief Critical Dictionary of Education [home, info]
  4. operation: Idioms [home, info]

Science dictionaries Science (3 matching dictionaries)
  1. Operation: Eric Weisstein's World of Mathematics [home, info]
  2. operation: MATH SPOKEN HERE! [home, info]
  3. operation: PlanetMath Encyclopedia [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. Operation: Urban Dictionary [home, info]

Tech dictionaries Tech (2 matching dictionaries)
  1. Operation: AUTOMOTIVE TERMS [home, info]
  2. operation: DOD Dictionary of Military Terms [home, info]

Quick definitions from Macmillan (
American English Definition British English Definition

Provided by

Quick definitions from WordNet (operation)

noun:  the activity of operating something (a machine or business etc.) ("Her smooth operation of the vehicle gave us a surprisingly comfortable ride")
noun:  a planned activity involving many people performing various actions ("They organized a rescue operation")
noun:  a process or series of acts especially of a practical or mechanical nature involved in a particular form of work ("The operations in building a house")
noun:  a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body ("They will schedule the operation as soon as an operating room is available")
noun:  activity by a military or naval force (as a maneuver or campaign) ("It was a joint operation of the navy and air force")
noun:  a business especially one run on a large scale ("A large-scale farming operation")
noun:  (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) ("It can perform millions of operations per second")
noun:  process or manner of functioning or operating ("The power of its engine determine its operation")
noun:  the state of being in effect or being operative ("That rule is no longer in operation")
noun:  (mathematics) calculation by mathematical methods ("They were learning the basic operations of arithmetic")
noun:  (psychology) the performance of some composite cognitive activity; an operation that affects mental contents ("The cognitive operation of remembering")

Word origin

Words similar to operation

Popular adjectives describing operation

Phrases that include operation:   logical operation, amphibious operation, co operation, sex change operation, concurrent operation, more...

Words similar to operation:   act, functioning, performance, procedure, process, surgery, cognitive operation, cognitive process, mathematical operation, mathematical process, surgical operation, surgical procedure, use, more...

Search for operation on Google or Wikipedia

Search completed in 0.061 seconds.

Home   Reverse Dictionary   Customize   Browse Dictionaries    Privacy    API    Autocomplete service    Help    Word of the Day