Definition of Operation


  • the activity of operating something (a machine or business etc.)
    "her smooth operation of the vehicle gave us a surprisingly comfortable ride"
  • (mathematics) calculation by mathematical methods
    "the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation"
    "they were learning the basic operations of arithmetic"
    - mathematical process - mathematical operation
  • (psychology) the performance of some composite cognitive activity
    an operation that affects mental contents
    "the process of thinking"
    "the cognitive operation of remembering"
    - cognitive process - mental process - cognitive operation
  • process or manner of functioning or operating
    "the power of its engine determines its operation"
    "the plane's operation in high winds"
    "they compared the cooking performance of each oven"
    "the jet's performance conformed to high standards"
  • 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"
    "certain machine tool operations"
  • 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"
    "he died while undergoing surgery"
    - surgical operation - surgical procedure - surgical process
  • activity by a military or naval force (as a maneuver or campaign)
    "it was a joint operation of the navy and air force"
    - military operation
  • (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"
  • a planned activity involving many people performing various actions
    "they organized a rescue operation"
    "the biggest police operation in French history"
    "running a restaurant is quite an operation"
    "consolidate the companies various operations"
  • a business especially one run on a large scale
    "a large-scale farming operation"
    "a multinational operation"
    "they paid taxes on every stage of the operation"
    "they had to consolidate their operations"
  • the state of being in effect or being operative
    "that rule is no longer in operation"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Word games points for the Operation

  • Scrabble® score of the operation (11)
  • Word Chums® score of the operation (13)
  • Words With Friends® score of the operation (13)

Unscramble operation

455 unscramble word found using the letters operation.

ae aeon aero ai ain aine air airn airt ait an ane ani ant ante anti antre ape aper apert apio apo aport apron apt apter ar are aret ariot aroint arpen arpent art arti at ate atone atoner atop atrip atropin atropine ea ean ear earn eat eina en enrapt enroot entia entrap eoan eon er era ern et eta etna in inapt inept inert inro inter into intra intro io ion iota irate ire iron irone it ita na nae naoi nap nape napoo nare nat ne neap near neat nep nepit net netop nie nip nipa nipter nit nite niter nitre nitro no noir noo nooit noop nope nor nori noria norite not nota notaire note noter oar oat oaten oater oatier oe oi oint on one oner onie ono onto oo oon oont oop oor oorie oot op ope open opera operant operation operon opiate opine opt opter option or ora orant orate oration ore orient ornate orpin orpine ort otarine pa paeon pain paint painter pair paire pan pane panier pant panter pantie panto par pare parent pareo part parti parton pat pate paten pater patin patine patio patron patroon pe pea pean pear peart