1. capable of being submerged or operating underwater

1. a watercraft designed to operate underwater
Usage: nautical

Examples

• The submergible vessel descended to explore the ocean floor.
• Scientists used a submergible camera to study marine life.
• The research team deployed their submergible to investigate the shipwreck.
• This submergible can reach depths of 3,000 meters.
• The submergible equipment was designed to withstand extreme water pressure.
• They launched the submergible from the research ship at dawn.