noun
- ocean currents that flow beneath the surface in a direction different from or opposite to the surface current
Usage: nautical; oceanography
Examples
- The experienced sailor warned about the dangerous undersets near the rocky coastline.
- Marine biologists study how undersets affect the distribution of plankton.
- The ship’s navigator had to account for the strong undersets when plotting the course.
- Divers must be aware of undersets that can pull them away from their intended dive site.
- The oceanographer’s research focused on mapping the undersets in the Pacific.
- Fishermen know that undersets often bring nutrient-rich water to the surface.