jargonisms

such special colloquial words which

- stand close to slang, also being substandard, expressive and emotive, but, unlike slang

- are used by limited groups of people, united either professionally (professional jargonisms or professionalisms) or socially (jargonisms proper)

- cover a narrow semantic field, function and sphere of application

- tending to expanded synonymity within certain lexico-semantic groups

See: slang, vulgarisms, dialectical words

Source: V.A.K.