diastrophism
noun
di·as·tro·phism dī-ˈa-strə-ˌfi-zəm 
: tectonism
diastrophic
ˌdī-ə-ˈsträ-fik
adjective diastrophically
ˌdī-ə-ˈsträ-fi-k(ə-)lē
adverb 
Word History
Etymology
Greek diastrophē twisting, from diastrephein to distort, from dia- + strephein to twist
First Known Use
1890, in the meaning defined above