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striation
[ strahy-ey-shuhn ]
noun
- a stria; one of many parallel striae.
- 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.
- 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.
striation
/ straɪˈeɪʃən /
striation
/ strī-ā′shən /
- 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
Other Words From
- inter·stri·ation noun
Word History and Origins
Origin of striation1
Example Sentences
No Way Out, with its backdrop of racial unrest and its awareness of complex striations of race and class, is a striking movie, and Poitier’s performance in it, especially for a film debut, is remarkable.
Any effort to scrutinize the subtle striations in the gray blanket above and tease out distinctions may have finally found some reward around sunset.
Most modern sharks have linear striations on their scales, which may offer some boost to their swimming efficiency.
The striation of the cones is still present, but is not nearly so clear as it was in the earlier stage.
The appearance of striation may on this hypothesis be explained as due to the presence of granules in the protoplasm.
In my specimens the yolk-spherules are not arranged with any reference to the radiating striation.
The sheath of notochord also appears to me to become thinner, and its radial striation is certainly less easy to detect.
In the form here figured the striation is as stated by De Toni, but is about 19 at the ends.
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