Metalanguage is a language used to talk about another language. It is used to describe and analyze the structure, grammar, and rules of a particular language. In linguistics, metalanguage helps linguists study language systems and develop theories about language.

Carmen Vlad has written:

'Semiotica criticii literare' -- subject(s): Criticism, Semiotics, Metalanguage, Discourse analysis

SGML, or Standard Generalized Markup Language, is a type of metalanguage used for document elements. It is used for defining and tagging metalanguages used in specific documents.

G. McCusker has written:

'Games and full abstraction for a functional metalanguage with recursive types' -- subject(s): Recursive functions, Functional programming languages, Game theory

Leopold Auburger has written:

'Funktionale Sprachvarianten' -- subject(s): Language and languages, Linguistics, Metalanguage, Philosophy, Functionalism (Linguistics), Variation

'Wahrheit und Weisheit' -- subject(s): Metaphysics, History

'Eine neuere, polnische Semantikkonzeption auf pragmatischer Grundlage' -- subject(s): Polish language, Semantics