jargon
noun [ U ] usually disapproving uk/ˈdʒɑː.ɡən/ us/ˈdʒɑːr.ɡən/
C1 行话，行业术语
special words and phrases that are used by particular groups of people, especially in their work
military/legal/computer jargon 军事／法律／计算机术语
Compare: terminologyargot