striation

[strahy-ey-shuhn]
noun
1.
striated condition or appearance.
2.
a stria; one of many parallel striae.
3.
Geology. 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.
Cell Biology. any of the alternating light and dark crossbands that are visible in certain muscle fibers, especially of voluntary muscles, and are produced by the distribution of contractile proteins.

Origin:
1840–50; striate + -ion

interstriation, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
striation (straɪˈeɪʃən)
 
n
1.  an arrangement or pattern of striae
2.  the condition of being striate
3.  another word for stria

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

striation
1849, from Mod.L. stria "strip, streak," in classical L. "furrow, channel, flute of a column;" cognate with Du. striem, O.H.G. strimo, Ger. strieme "stripe, streak," from PIE base *streig- (see strigil).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

striation stri·a·tion (strī-ā'shən)
n.

  1. The state of being striated or having striae.

  2. A stria.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
striation  [%PREMIUM_LINK%]     (strī-ā'shən)  Pronunciation Key 
One of multiple, usually parallel grooves or scratches on a rock surface, produced by abrasion associated with glacial movement, stream flow, a geologic fault, or meteoric impact. See more at glacial striation, shatter cone, slickenside.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The finally obtained binary image distinctly reflects the amount and distribution of striation marks on the imaged bullet land.
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