engineered language

constructed languages devised to test or prove how languages work

en-GB/ˌɛnd͡ʒɪˈnɪəd ˈlæŋɡwɪd͡ʒ/
en-US/ˌɛnd͡ʒəˈniɹd ˈlæŋɡwɪd͡ʒ/

زمرے:

constructed language