olemus
keel teise keele (objektkeele) kirjeldamiseks

Wiktionary:
1. (linguistics, translation studies, critical theory) any language or vocabulary of specialized terms used to describe or analyze a language or linguistic process
2. (computing) any similar language used to define a programming language

ülevaateid
https://www.techopedia.com/definition/8316/metalanguage

https://en.wikipedia.org/wiki/Metalanguage

https://en.wikipedia.org/wiki/Metasyntax

https://ryanstutorials.net/software-design-and-development/metalanguages.php

näiteid
https://planetmath.org/metalanguage

https://www.iso.org/obp/ui/es/#iso:std:iso-iec:14977:ed-1:v1:en

https://www.aclweb.org/anthology/I13-1091.pdf

https://www.education.vic.gov.au/school/teachers/teachingresources/discipline/english/literacy/multimodal/Pages/visualmetalanguage.aspx

https://www.degruyter.com/document/doi/10.1515/9781501503825-004/pdf

https://www.erudit.org/en/journals/rssi/2015-v35-n1-rssi03937/1050987ar/