sublanguage

[ suhb-lang-gwij ]
/ ˈsʌbˌlæŋ gwɪdʒ /

noun

a subvariety of language used in a particular field or by a particular social group and characterized especially by distinctive vocabulary.

Origin of sublanguage

First recorded in 1930–35; sub- + language
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019