Operation

noun
,ɑpə'reɪʃən

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

    certain machine tool operations

    Similar:Procedure
    Type of:Work
  • process or manner of functioning or operating

    the power of its engine determines its operation

    the plane's operation in high winds

    Similar:FunctioningPerformance
    Type of:Process
  • activity by a military or naval force (as a maneuver or campaign)

    it was a joint operation of the navy and air force

    Type of:Activity
  • (mathematics) calculation by mathematical methods

    they were learning the basic operations of arithmetic

    Type of:CalculationComputationComputing
  • 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

    Similar:Surgery
  • (psychology) the performance of some composite cognitive activity; an operation that affects mental contents

    the cognitive operation of remembering

    Similar:Process
    Type of:NoesisKnowledgeCognition
  • 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

  • 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

    Type of:Activity
  • (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

  • the activity of operating something (a machine or business etc.)

    her smooth operation of the vehicle gave us a surprisingly comfortable ride

    Type of:Activity
  • the state of being in effect or being operative

    that rule is no longer in operation

    Type of:ActivenessActionActivity

Dictionary Validity

Tournament Word List (TWL)
Scrabble US
Collins Scrabble Words (CSW21)
Scrabble UK
ENABLE Dictionary
Words With Friends
Combined US/UK Scrabble Dictionary
SOWPODS
North American Scrabble (NWL2020)
NASPA