conlang

American  

[kon-lang] / ˈkɒnˌlæŋ /

noun

1. an artificially constructed language used by a group of speakers, as opposed to one that has naturally evolved.

   conlangs such as Esperanto and Klingon.

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Etymology

Origin of conlang

First recorded in 1990–95; con(structed) ( def. ) and lang(uage) ( def. )