|1.||the act, process, or manner of operating|
|2.||the state of being in effect, in action, or operative (esp in the phrases inorinto operation)|
|3.||a process, method, or series of acts, esp of a practical or mechanical nature|
|4.||surgery any manipulation of the body or one of its organs or parts to repair damage, arrest the progress of a disease, remove foreign matter, etc|
|5.||a. a military or naval action, such as a campaign, manoeuvre, etc|
|b. (capital and prenominal when part of a name) : Operation Crossbow|
|a. any procedure, such as addition, multiplication, involution, or differentiation, in which one or more numbers or quantities are operated upon according to specific rules|
|b. a function from a set onto itself|
|7.||a commercial or financial transaction|
operation op·er·a·tion (ŏp'ə-rā'shən)
A surgical procedure, usually using instruments, for remedying an injury, an ailment, a defect, or a dysfunction.
The act, manner, or process of functioning.
|operation (ŏp'ə-rā'shən) Pronunciation Key