microlanguage
A microlanguage is a small, specialized vocabulary or jargon used by a particular group or community. These terms are often not understood by outsiders and can serve to identify members of the group, facilitate communication within the group, or express shared ideas and values. Microlanguages can develop in various contexts, including professional fields, hobbyist communities, social groups, or even within families.
The development of a microlanguage typically arises from the need to efficiently and precisely describe concepts
While microlanguages can enhance in-group communication and identity, they can also act as barriers to understanding