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Vinony

striation

noun

  1. linear furrow in rock generated from fault movement
L328625 on Wikidata ↗

Wiktionary

Pronunciation: [stɹaɪˈeɪ.ʃən]

noun

Etymology: Etymology tree English striate Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English -ion English striation From striate + -ion.

  1. One of a number of parallel grooves and ridges in a rock or rocky deposit, formed by repeated twinning or cleaving of crystals.
  2. 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. The action of marking with a stria.
  4. The result of being marked with a stria.
  5. a parallel series of small grooves, channels, or impressions typically within a metal roof panel used to help reduce the potential for oil-canning.