1834 in reference to convulsions in society; 1836 in geology, from verb upheave (c. 1300, from up (adv.) + heave (v.)) + -al (2). Similarly formed verbs are Old Frisian upheva, Old High German ufhevan [..]

turbulence: a state of violent disturbance and disorder (as in politics or social conditions generally); "the industrial revolution was a period of great turbulence" convulsi [..]

n. Overthrow or violent disturbance of established order or condition.

The localized upward displacement of a pavement due to swelling of the subgrade or some portion of the pavement structure.

(n) a state of violent disturbance and disorder (as in politics or social conditions generally)(n) a violent disturbance(n) (geology) a rise of land to a higher elevation (as in the process of mountai [..]

vexamen

The process of being heaved upward, especially the raising of part of the earth's crust. A sudden violent upset, disruption or convulsion. *(de?i?iklik), (ayaklanma), (isyan) {{trans-bottom}} [..]