striation

noun

1. (countable)One of a number of parallel grooves and ridges in a rock or rocky deposit, formed by repeated twinning or cleaving of crystals.
2. (countable)One of a number of parallel scratch lines in rock outcrops, formed when glaciers dragged rocks across the landscape.

   “The energy raised the temperature of the snow a couple of degrees, and the friction carved striations high in the icy sides of the canyon walls.”

3. (countable, uncountable)The action of marking with a stria.
4. (countable, uncountable)The result of being marked with a stria.
5. (countable, uncountable)a parallel series of small grooves, channels, or impressions typically within a metal roof panel used to help reduce the potential for oil-canning.