ˈkrȧd.əjə̇n, -ˌjen noun
( -s )
Etymology: German, from krato- (from Greek kratos mastery, strength) + -gen — more at hard
: a region that has remained undisturbed while an adjacent area has been affected by mountain-making movements — compare orogen
• krat·o·gen·ic | ̷ ̷ ̷ ̷|jenik adjective