jargon

> jargon (1)
(noun)
the specialized or technical vocabulary of a science, profession, etc; obscure and usually pretentious language.

> jargon (1)
(intransitive verb)
to talk in jargon.

> jargonistic
(adjective)

> jargon (2), jargoon
(noun)
a translucent, colourless, yellowish, or smoky kind of zircon.