{{Wiktionary}} '''Striations''' means a series of ridges, furrows or linear marks, and is used in several ways:
* Glacial striation * Striation (fatigue), in material * Striation (geology), a ''striation'' as a result of a geological fault * Striation Valley, in Antarctica * In hyperbolic geometry, a ''striation'' is a reflection across two parallel mirrors. * In anatomy, striated muscle * In acoustic phonetics, ''striations'' are vertical bands on a spectrogram associated with pulses of the vocal folds when producing voiced periodic sounds. * 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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