1. An area of knowledge, field of study, or territory that has not been fully investigated, developed, or utilized
Deep ocean trenches remain an underexplored domain for scientific research.
As fossas oceânicas profundas permanecem um domínio subexplorado para a pesquisa científica.
2. A sector or industry with significant untapped potential or limited commercial development
Renewable energy in rural areas is still an underexplored domain.
A energia renovável em áreas rurais é ainda um domínio subexplorado.