upheaval


up·heav·al

noun \ˌəp-ˈhē-vəl, (ˌ)ə-ˈpē-\

: a major change or period of change that causes a lot of conflict, confusion, anger, etc.

: an occurrence in which a part of the Earth's surface moves up forcefully

Full Definition of UPHEAVAL

1
:  the action or an instance of upheaving especially of part of the earth's crust
2
:  extreme agitation or disorder :  radical change; also :  an instance of this

Examples of UPHEAVAL

  1. The civil rights movement marked a period of social upheaval in the U.S.
  2. the emotional upheaval of divorce
  3. a period of cultural and social upheavals
  4. The island was created by an upheaval of the ocean floor.
  5. The lake was formed by geologic upheaval.

First Known Use of UPHEAVAL

1838

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

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