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Dictionary definition for: Upheaval
1. (n) a state of violent disturbance and disorder (as in politics or social conditions generally) "the industrial revolution was a period of great turbulence"
2. (n) a violent disturbance; "the convulsions of the stock market"
3. (n) (geology) a rise of land to a higher elevation (as in the process of mountain building)
4. (n) disturbance usually in protest
WordNet 2.1 Copyright Princeton University. All rights reserved.
