Striation

Striations means a series of ridges, furrows or linear marks, and are used in several ways

Glacial striation
Striation (geology), a striation as a result of a geological fault
In medicine, striated muscle
Striations can be found in certain glasses. These have been caused by turbulent flow during teeming (pouring) of the glass.
Striations can be observed in clouds. See Barber's pole.
Ballistic fingerprinting

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