Meaning of mini-language in English:
mini-language
Pronunciation /ˈmɪnɪˌlaŋɡwɪdʒ/
noun
A subset of a language; (Computing) a subset of a programming language. Also: a form of speech peculiar to a limited group of people; an argot, jargon.
Origin
1970s; earliest use found in Mind. From mini- + language.