operation

Noun

• 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
    

• (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
  • the process of thinking
    
  • the cognitive operation of remembering
    

• 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
    

• activity by a military or naval force (as a maneuver or campaign)
  • it was a joint operation of the navy and air force
    

• (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
    

Related words

• Synonyms: 
  mathematical process , mathematical operation , process , cognitive process , mental process , cognitive operation , functioning , performance , procedure , surgery , surgical operation , surgical procedure , surgical process , military operation