sublanguage

Noun

1. A subset of a language, in particular of a programming language.
   • DML is considered a sublanguage of SQL. It's concerned with manipulating data stored in the database. DML consists of four commonly used statements: INSERT, UPDATE, DELETE, and MERGE. - 2015, Miguel Cebollero, Michael...
2. A language restricted to a specific context, such as a particular subject area.
   • the sublanguage of weather bulletins
   • We define sublanguage here as the particular language used in a body of texts dealing with a circumscribed subject area (often reports or articles on a technical speciality or science subfield), in which the authors...
   • Sublanguages are usually taken from science and technology domains and are restricted to a particular topic. - 1995, Douglas Biber, Dimensions of Register Variation: A Cross-Linguistic Comparison, Cambridge University...