1. the quality or state of being wrinkled, rough, or having an uneven surface
Usage: formal; technical

Examples

• The rugosity of the elephant’s skin helps protect it from insects.
• Scientists measured the rugosity of the coral reef surface.
• The ancient tree’s bark showed considerable rugosity from years of weathering.
• The geologist noted the rugosity of the rock formation.
• Age had increased the rugosity of his weathered hands.
• The fabric’s rugosity made it unsuitable for fine clothing.