noun
- people who explore or work in the ocean depths, especially using submersible vehicles
Usage: technical
Examples
- The oceanauts descended to the ocean floor in their research submarine.
- Modern oceanauts use advanced technology to study deep-sea ecosystems.
- The team of oceanauts discovered new species in the ocean trench.
- Oceanauts must undergo extensive training before deep-sea missions.
- The oceanauts collected samples from the seafloor for analysis.
- These brave oceanauts spend weeks underwater conducting research.