opérations
surgeries
surgical procedures
Il a dû subir plusieurs opérations après son accident.
He had to undergo several surgeries after his accident.
banking/financial transactions
operations on an account
Toutes les opérations bancaires sont bloquées pour l'instant.
All banking transactions are blocked for the moment.
mathematical operations (e.g., addition, subtraction, multiplication, division)
En maths, on apprend d'abord les opérations de base : addition, soustraction, multiplication et division.
In math, you first learn the basic operations: addition, subtraction, multiplication and division.
organized actions or missions (police, military, rescue, commercial campaigns)
Les opérations de police ont permis d'arrêter plusieurs suspects.
The police operations led to the arrest of several suspects.
