Definition of jargon noun from the Oxford Advanced American Dictionary

 

jargon

 noun
noun
NAmE//ˈdʒɑrɡən//
 
[uncountable](often disapproving)
 
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words or expressions that are used by a particular profession or group of people, and are difficult for others to understand medical/legal/computer, etc. jargon Try to avoid using too much technical jargon.
See the Oxford Advanced Learner's Dictionary entry: jargon