upthrust
🇺🇸
/ˈʌpθrʌst/
🇬🇧
/ˈʌpθrʌst/
The upward force exerted by a fluid on an object submerged in it.
The buoyancy of the life jacket is due to the upthrust of the water.
The movement of the Earth's crust that raises the land to a higher position.
The formation of the mountain range was due to the upthrust of the tectonic plates.