noun
Usage: usually capitalized A
Etymology: so called from its prevalence in the Swiss Alps
: rock structure characterized by extensive overthrust faults and overturned folds
noun
Usage: usually capitalized A
Etymology: so called from its prevalence in the Swiss Alps
: rock structure characterized by extensive overthrust faults and overturned folds
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012