striation
/straɪˈeɪʃən/
noun
- A long, thin line, groove, or stripe, especially one of a series of parallel marks on a surface.
- The rock showed clear striations from ancient glacial movement.
- Under the microscope, the muscle fibers displayed fine striations.
- The artist added delicate striations to the clay pot for texture.
- The arrangement or pattern of such lines or grooves.
- The striation on the bullet casing helped forensic experts match it to a gun.
- Geologists study the striation of rocks to understand past ice flows.
- The striation of the wood grain gave the table a beautiful natural pattern.