1. the process of mountain formation, especially by folding of the earth’s crust
Usage: geological

Examples

• The Appalachian Mountains were formed through orogeny millions of years ago.
• Geologists study orogeny to understand how mountain ranges develop.
• The collision of tectonic plates often triggers orogeny.
• Evidence of ancient orogeny can be seen in folded rock layers.
• The Himalayan orogeny continues today as India pushes into Asia.
• Students learned about orogeny in their earth science class.