semisubmersible
/ˌsɛmisəbˈmɜrsəbəl/
noun
- A type of vessel or platform that is partially submerged in water, used especially for offshore drilling, research, or heavy lifting.
- Semisubmersibles are more stable than regular ships in rough seas.
- The oil company used a semisubmersible to drill in deep waters.
- The research team boarded a semisubmersible to study marine life at depth.
adjective
- Designed to be partially submerged; having parts that can be submerged while other parts remain above water.
- The semisubmersible platform floated steadily despite the storm.
- Engineers developed a semisubmersible design for the new offshore wind farm.
- The semisubmersible vessel lowered its hull to increase stability.