noun
- an upward force or movement
- the upward force exerted by a fluid on a submerged or floating object
Usage: physics
verb
- to push or force upward
Examples
- The upthrust of the earth’s crust created the mountain range.
- The balloon rose due to the upthrust of hot air.
- The upthrust from the water kept the boat afloat.
- Geological forces upthrust the rock layers over millions of years.
- The swimmer felt the upthrust of the water supporting her body.
- Tectonic plates upthrust the seafloor to form new islands.