Striation

noun

Definitions

Noun
  1. 1
    One of a number of parallel grooves and ridges in a rock or rocky deposit, formed by repeated twinning or cleaving of crystals. countable
  2. 2
    a stripe or stripes of contrasting color wordnet
  3. 3
    One of a number of parallel scratch lines in rock outcrops, formed when glaciers dragged rocks across the landscape. countable

    "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."

  4. 4
    any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissue wordnet
  5. 5
    The action of marking with a stria. countable, uncountable
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  1. 6
    The result of being marked with a stria. countable, uncountable
  2. 7
    a parallel series of small grooves, channels, or impressions typically within a metal roof panel used to help reduce the potential for oil-canning. countable, uncountable

Etymology

From striate + -ion.

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