upheaval


upheaval

noun

  1. strong or violent change or disturbance, as in a society: the upheaval of war.
  2. an act of upheaving, especially of a part of the earth’s crust.
  3. the state of being upheaved.
  4. Geology. an upward warping of a part of the earth’s crust, forcing certain areas into a relatively higher position than before.

noun

  1. a strong, sudden, or violent disturbance, as in politics, social conditions, etc
  2. geology another word for uplift (def. 7)

n.1838, in geology, from Middle English verb upheave (c.1300, cf. Old Frisian upheva, Old High German ufhevan, German aufheben), from up + heave (v.) + -al (2). Figurative sense, with reference to convulsions of society, etc., recorded from 1850.

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