1. An area of knowledge, activity, or territory that has not yet been thoroughly examined, studied, or explored
The deep ocean remains largely an uninvestigated domain for marine scientists.
O oceano profundo permanece em grande parte um domínio não investigado para os cientistas marinhos.
2. A field of inquiry or subject matter that lacks sufficient research or analysis
Ancient civilizations represent an uninvestigated domain that archaeologists continue to explore.
As civilizações antigas representam um domínio não investigado que os arqueólogos continuam a explorar.