There are multiple definitions - click on the translation that matches your context.

operación

full

operation

noun

Definitions of operation

English

a business or a part of a business

We improved our performance by boosting marketing operations in growth markets.

English

a medical procedure in which a doctor cuts into someone's body in order to repair or remove an unhealthy part

Court records from the medical malpractice lawsuit allege that Dr. Claud failed to complete the operation.

English

an activity that is planned to do or to achieve something

The military attempted a rescue operation recently to free a number of hostages.