orocratic
/ˌɒrəˈkratɪk/ /ˌɔːrəˈkratɪk/Geology. Now rare
adjective
Designating or relating to a period or condition in which crustal deformation predominates over erosion and sedimentation, leading to an overall increase in relief.
Origin
1920s. From oro- + -cratic; apparently coined by W. Ramsay.