Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The process of being heaved upward.
  • noun An instance of being so heaved.
  • noun A sudden, violent disruption or upset.
  • noun Geology A raising of a part of the earth's crust.

from The Century Dictionary.

  • noun The act of upheaving, or the state of being upheaved; a heaving or lifting up; specifically, in geology, a disturbance of a part of the earth's crust, having as one of its results that certain areas occupy a higher position with reference to adjacent areas than they did before the disturbance took place.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of upheaving, or the state of being upheaved; esp., an elevation of a portion of the earth's crust.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun the process of being heaved upward, especially the raising of part of the earth's crust
  • noun a sudden violent upset, disruption or convulsion

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a violent disturbance
  • noun disturbance usually in protest
  • noun a state of violent disturbance and disorder (as in politics or social conditions generally)
  • noun (geology) a rise of land to a higher elevation (as in the process of mountain building)

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From upheave +‎ -al.

Examples

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