1. existing, formed, or taking place under water
Usage: technical; geology

Examples

• The subaqueous volcanic activity created new rock formations on the ocean floor.
• Scientists studied the subaqueous sediment layers to understand ancient climate patterns.
• The subaqueous cave system extended deep beneath the lake.
• Subaqueous landslides can trigger dangerous tsunamis.
• The research team used special equipment to explore the subaqueous environment.
• Subaqueous photography requires waterproof cameras and proper lighting.