Definition of upthrust in English:


Line breaks: up|thrust
Pronunciation: /ˈʌpθrʌst


1The upward force that a liquid or gas exerts on a body floating in it.
More example sentences
  • The fish in the bucket is upthrusted by the water.
1.1 Geology another term for uplift.
More example sentences
  • In addition, the rocks here are a mix of volcanic upthrusts and soft red sandstone.
  • This feature was once described as ‘the finest ‘small’ mountain feature in the British Isles ’, and is in reality an east-west ridge of volcanic rock which appears as a narrow upthrust of columnar pitchstone when seen from the south or east.
  • Many boats from San Carlos make a beeline to the rugged upthrust of San Pedro Nolasco Island, where the phenomenon brings sierra, dorado, and snapper to the surface.


[with object] (usually as adjective upthrust) Back to top  
Thrust (something) upwards: Turco’s upthrust beard
More example sentences
  • Much of the island is an ancient limestone seabed that has been upthrusted by tectonic forces.
  • But since then, the violent upthrusting of the Andean chain has carried the sediments to the tops of mountains.
  • The hills were formed by some upthrusting of the earth's crust which changed the landscape dramatically after the weight of the ice was melted away.

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