striations
/S T R IY0 EY1 SH AH0 N Z/noun
- 1
(countable, geomorphology) One of a number of parallel scratch lines in rock outcrops, formed when glaciers dragged rocks across the landscape.
- 2
(countable, mineralogy) One of a number of parallel grooves and ridges in a rock or rocky deposit, formed by repeated twinning or cleaving of crystals.
- 3
(roofing) a parallel series of small grooves, channels, or impressions typically within a metal roof panel used to help reduce the potential for oil-canning.
- 4
The action of marking with a stria.
- 5
The result of being marked with a stria.
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