jargon
US /ˈdʒɑːr.ɡən/
UK /ˈdʒɑːr.ɡən/

1.
jargon, argot
special words or expressions that are used by a particular profession or group and are difficult for others to understand.
:
•
The legal document was full of technical jargon.
Le document juridique était rempli de jargon technique.
•
Avoid using too much medical jargon when talking to patients.
Évitez d'utiliser trop de jargon médical lorsque vous parlez aux patients.