Hercynian
/hɜːˈsɪnɪən/adjective
1- Geology of, relating to, or denoting a prolonged mountain-forming period (orogeny) in western Europe, eastern North America, and the Andes in the Upper Palaeozoic era, especially the Carboniferous and Permian periods.【地质】海西期的; （与）海西时期造山运动（有关）的。
1.1
- as noun the Hercynian the Hercynian orogeny海西期造山运动。
词源
late 16th cent.: from Latin Hercynia silva; originally used by the ancient writers to designate an area of forested mountains in central Germany; later （from the late 19th cent.） applied in geology to the Harz Mountains formed in the Hercynian period.