jargon

n. professional vocabulary, words used by a specific group or profession; gibberish, unintelligible words or writing; pidgin, language which has been corrupted or simplified from its original form; colorless or smoky kind of zircon

Jargon is terminology that relates to a specific activity, profession or group. Much like slang it develops as a kind of shorthand, to express ideas that are frequently discussed between members of a group. In many cases a standard term may be given a more precise or specialized usage among practicioners of a field.
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Noun
1. a characteristic language of a particular group (as among thieves); "they don't speak our lingo"
(synonym) cant, slang, lingo, argot, patois, vernacular
(hypernym) non-standard speech
(hyponym) street name
(class) wog
(class) square, straight
2. a colorless (or pale yellow or smoky) variety of zircon
(synonym) jargoon
(hypernym) zircon, zirconium silicate
3. specialized technical terminology characteristic of a particular subject
(hypernym) expressive style, style
(hyponym) ecobabble

n. cant, jargon, slang, lingo, language characteristic of a certain group or class of people

n. jargon, lingo; patter, vernacular