1. present participle of lichen; to become covered with lichen or to cause to become covered with lichen
Usage: rare; technical/botanical

1. the process or state of becoming covered with lichen
Usage: rare; technical/botanical

Examples

• The old stone wall was lichening over the decades, creating a colorful mosaic of growth.
• Lichening of the roof tiles gave the cottage a rustic, weathered appearance.
• The rock surface showed signs of lichening as moisture accumulated in the crevices.
• Botanists studied the lichening process on the ancient monument to understand environmental conditions.