The meaning of OPERATION is performance of a practical work or of something involving the practical application of principles or processes. How to use operation in a sentence.

OPERATION meaning: 1. the fact of operating or being active: 2. the way that parts of a machine or system work…. Learn more.

Operation definition: an act or instance, process, or manner of functioning or operating.. See examples of OPERATION used in a sentence.

10 hours ago · Federal agents launched a law enforcement operation in New Orleans, the Department of Homeland Security announced on Dec. 3, as the Trump administration expands …

Nov 6, 2025 · operation (countable and uncountable, plural operations) (uncountable) The method by which a device performs its function. It is dangerous to look at the beam of a laser while it is …

10 hours ago · The Department of Homeland Security officially launched an immigration operation in New Orleans Wednesday.The operation is being called "Catahoula Crunch" by the …

6 hours ago · The Department of Homeland Security (DHS) has begun an immigration effort in New Orleans, the department said in a Wednesday press release. DHS said the New Orleans …

Operation can refer to medical surgery, a military campaign, or mathematical methods, such as multiplication and division. Operation comes from the Latin word opus (“work”) and can refer to …

Procedure is used especially in medical English, for example by doctors and people who work in hospitals.

OPERATION meaning: 1 : a process in which a doctor cuts into someone's body in order to repair or remove a damaged or diseased part; 2 : a usually small business or organization