Upheaval
English Meaning
The act of upheaving, or the state of being upheaved; esp., an elevation of a portion of the earth's crust.
- The process of being heaved upward.
- An instance of being so heaved.
- A sudden, violent disruption or upset: "the psychic upheaval caused by war” ( Wallace Fowlie).
- Geology A raising of a part of the earth's crust.