Synonym: cognitive operation, cognitive process, functioning, mathematical operation, mathematical process, mental process, military operation, performance, procedure, process, surgery, surgical operation, surgical procedure, surgical process. Similar words: AND operation, generation gap, consideration, operating, cooperative, migration, reparation, separation. Meaning: [‚ɑpə'reɪʃn /‚ɒp-] 
n. 1. a business especially one run on a large scale 2. a planned activity involving many people performing various actions 3. a process or series of acts especially of a practical or mechanical nature involved in a particular form of work 4. the state of being in effect or being operative 5. a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body 6. activity by a military or naval force (as a maneuver or campaign) 7. (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) 8. process or manner of functioning or operating 9. (mathematics) calculation by mathematical methods 10. (psychology) the performance of some composite cognitive activity; an operation that affects mental contents 11. the activity of operating something (a machine or business etc.).
n. 1. a business especially one run on a large scale 2. a planned activity involving many people performing various actions 3. a process or series of acts especially of a practical or mechanical nature involved in a particular form of work 4. the state of being in effect or being operative 5. a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body 6. activity by a military or naval force (as a maneuver or campaign) 7. (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) 8. process or manner of functioning or operating 9. (mathematics) calculation by mathematical methods 10. (psychology) the performance of some composite cognitive activity; an operation that affects mental contents 11. the activity of operating something (a machine or business etc.). 
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91. Their family business is a rinky-dink operation.
92. After the operation, you should avoid strenuous exercise.
93. After her operation she suffered from general debility.
94. You'll be glad to get your operation over.
95. She's gone terribly thin since her operation.
96. It was a copybook operation by the police.
97. The operation was Kelly's only hope of survival.
98. I didn't have much discomfort after the operation.
99. He's still feeling a bit weak after his operation.
100. The family electricity should not overcharge in operation.
101. She'll have to go under anaesthetic for the operation.
102. The plan began to be put into operation.
103. Temporary traffic controls are in operation on New Road.
104. He was coming along well after the operation.
105. Mother wondered if she could last out another operation.
106. Radio networks are being reengineered to give digital operation.
107. We run a commercially oriented operation.
108. The main road is now closed and diversions are in operation.
109. Please program the computer to do the job instead of manual operation.
110. Tissue that is removed during the operation is checked for signs of malignancy.
111. One man was arrested during the raid and another during a follow-up operation.
112. Police have decided not to lay charges over allegations of a telephone tapping operation.
113. She died of shock following an operation on her brain.
114. The operation to transplant a kidney is now fairly routine.
115. The operation is performed under local anaesthetic,(sentencedict.com)[http://sentencedict.com/operation.html] which lessens the chances of infection.
116. He was brazenly running a $400,000-a-month drug operation from the prison.
117. A big rescue operation has been launched for a trawler missing in the English Channel.
118. He must have a major operation on his knee to mend severed ligaments.
119. The company has been transformed from a family business to a multi-million-pound operation.
120. I told Tom that I was having an operation but ask him not to broadcast the fact.
More similar words: AND operation, generation gap, consideration, operating, cooperative, migration, reparation, separation, frustration, exploration, immigration, celebration, integration, corporation, demonstration, concentration, collaboration, administration, operate, operator, cooperate, cooperate with, ratio, nation, interaction, relation, formation, equation, national, education.