upheaval

noun

1. 1

   disturbance usually in protest

2. 2

   (geology) a rise of land to a higher elevation (as in the process of mountain building)

3. 3

   a violent disturbance

   the convulsions of the stock market

4. 4

   a state of violent disturbance and disorder (as in politics or social conditions generally)

   the industrial revolution was a period of great turbulence