Conlang

Conlang

Conlang is a language that has been artificially created; a constructed language. Conlang is used to describe fictional worlds, inhabited by fictional constructed cultures and languages.

Example:

Klingon is a constructed language (conlang) created by linguist Marc Okrand for the movie Star Trek III: The search for Spock.

If you are thinking of creating a new language for your story, consider the following link for available advice and resource: Creating a new language