Operation

ˌɒpəˈreɪʃən

nounBeginner🔥Very CommonAction
3 meanings3 idioms/phrases3 questions

Definitions

3 meanings
1

A process or series of actions done to achieve a particular result.

ˌɒpəˈreɪʃən

nounneutralBeginner
Action

A planned procedure involving action, often complex and involving several people or machines.

The rescue operation was hampered by the bad weather.

💡 Simply: Imagine setting up a fun game or a tricky project. An operation is all the steps and actions you need to take to make it happen. Like, a chef's operation in the kitchen to create a delicious meal!

👶 For kids: Doing something important that takes steps, like a game plan or a doctor fixing someone.

More Examples

2

The software upgrade required a complex operation.

3

The hospital's surgical operations are highly specialized.

How It's Used

Military

"The military launched a surprise operation to secure the border."

Medical

"The patient underwent a successful heart operation."

Business

"The company's day-to-day operations are managed by the COO."

2

A surgical procedure performed on a patient.

ˌɒpəˈreɪʃən

nounneutralBeginner
Medical

A surgical procedure carried out on a patient's body.

The doctor scheduled an operation to repair the broken bone.

💡 Simply: This one means when doctors use special tools to fix something inside your body! It's like fixing a toy, but with super precision.

👶 For kids: When a doctor fixes a boo-boo on the inside of a person's body.

More Examples

2

He needed an operation to remove the tumor.

3

The surgical operation was performed under general anesthesia.

How It's Used

Medical

"The patient had a successful operation to remove her appendix."

Tip:Picture the surgeon's careful work with instruments—that's an operation.
3

A mathematical or logical process performed on numbers or other elements.

ˌɒpəˈreɪʃən

nounneutralmedium
Mathematics/Logic

The process of performing a mathematical or logical function.

The calculator performed the mathematical operation quickly.

💡 Simply: It's like doing a math problem. When you add, subtract, or multiply, you're doing an operation! It's a special action.

👶 For kids: A special math thing like adding or taking away.

More Examples

2

Division is an inverse operation of multiplication.

3

The program uses a series of logical operations to filter the data.

How It's Used

Mathematics

"Addition is a basic mathematical operation."

Computer Science

"The computer performed a complex operation on the data."

Tip:Think of +, -, x, ÷—they're mathematical operations.

Idioms & expressions

business operation

The day-to-day activities needed to run a company.

"Streamlining the business operation can lead to greater profits."

military operation

A planned military action.

"The military launched a large-scale military operation."

undergo an operation

To have surgery.

"The patient will undergo an operation next week."

From Latin *operatio* (“a working, a performance, an action”), from *operari* (“to work”).

The word 'operation' has been used since the 16th century, originally referring to any action or process, expanding later to include specific medical and military contexts.

Memory tip

Think of a well-orchestrated mission—that's an operation.

Word Origin

LanguageLatin
Original meaning

"to work, perform, or operate"

military operationbusiness operationsurgical operationrescue operationundergo an operationsuccessful operation

Common misspellings

operatonoparationoperashion

Usage

40%Spoken
60%Written