1. A field, area, or subject of knowledge that has been examined, studied, or researched in great detail and with comprehensive coverage
After years of research, quantum physics has become a thoroughly investigated domain.
Após anos de pesquisa, a física quântica se tornou um domínio completamente investigado.
2. A topic or sphere of activity where all relevant aspects, variables, and factors have been exhaustively analyzed
The causes of climate change represent a thoroughly investigated domain in environmental science.
As causas das mudanças climáticas representam um domínio completamente investigado na ciência ambiental.