Meaning of striation

stri•a•tion

Pronunciation: (strī-ā'shun), [key]
— n.
  1. striated condition or appearance.
  2. a stria; one of many parallel striae.
  3. any of a number of scratches or parallel grooves on the surface of a rock, resulting from the action of moving ice, as of a glacier.
  4. any of the alternating light and dark crossbands that are visible in certain muscle fibers, esp. of voluntary muscles, and are produced by the distribution of contractile proteins.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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