opération

/ɔ.pe.ʁa.sjɔ̃/
1.
nounfeminineSing

surgery

surgical procedure

Il doit subir une opération du genou demain matin.

He has to undergo knee surgery tomorrow morning.

Synonyms:intervention chirurgicale, acte opératoire
2.
nounfeminineSing

coordinated action or planned operation (e.g., police, military, commercial)

L'opération policière a permis d'arrêter les suspects.

The police operation led to the arrest of the suspects.

Synonyms:manœuvre, action, intervention
3.
nounfeminineSing

mathematical operation (calculation), e.g., addition, multiplication

L'addition et la multiplication sont des opérations de base en mathématiques.

Addition and multiplication are basic operations in mathematics.

Synonyms:calcul