1. a reddish glow seen on mountain peaks at sunrise or sunset
Usage: mountaineering; meteorology

Examples

• The alpenglow painted the snow-covered peaks a brilliant pink.
• Photographers gathered early to capture the alpenglow on Mount Rainier.
• As the sun set, the alpenglow gradually faded from the mountain ridges.
• The alpenglow effect occurs when sunlight reflects off atmospheric particles.
• We watched the alpenglow transform the white peaks into shades of rose and gold.
• The brief alpenglow lasted only minutes before darkness fell.
• Alpine climbers often use alpenglow as a natural alarm clock for early starts.