1. a series of ridges, furrows, or linear marks
2. the arrangement of such marks in a parallel pattern
3. alternating bands of different colors or textures in rock or mineral formations
Usage: geology

Examples

• The striation on the bullet matched the gun’s barrel markings.
• Glacial striation showed the direction of ancient ice movement.
• The rock displayed clear striation from sedimentary layers.
• Muscle striation is visible under a microscope.
• The striation in the marble created beautiful patterns.
• Geologists studied the striation to understand the area’s history.