名词

1. 行话；行业术语；黑话
You use jargon to refer to words and expressions that are used in special or technical ways by particular groups of people, often making the language difficult to understand.

1. specialized technical terminology characteristic of a particular subject

2. a characteristic language of a particular group (as among thieves)

e.g. they don't speak our lingo

Synonym: slangcantlingoargotpatoisvernacular

3. a colorless (or pale yellow or smoky) variety of zircon

Synonym: jargoon