jargon
US /ˈdʒɑːr.ɡən/
UK /ˈdʒɑːr.ɡən/
1.
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.
•
Avoid using too much medical jargon when talking to patients.