1. relating to mountains or their formation
Usage: geography; geology
2. caused by or relating to the effects of mountains on weather patterns
Usage: meteorology

Examples

• The orographic features of the region include several mountain ranges.
• Orographic lifting causes air masses to rise over mountain barriers.
• The orographic effect creates heavy rainfall on the windward side of mountains.
• Scientists studied the orographic influences on local climate patterns.
• Orographic clouds form when moist air is forced upward by mountain slopes.
• The orographic map showed the elevation changes across the terrain.