striation

[ strahy-ey-shuhn ]

noun

1. striated 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.

striation

/ straɪˈeɪʃən /

noun

1. an arrangement or pattern of striae
2. the condition of being striate
3. See stria
   another word for stria

striation

/ strī-ā′shən /

1. 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.
2. See more at glacial striation

Other Words From

• inter·stri·ation noun

Word History and Origins

Origin of striation¹

First recorded in 1840–50; striate + -ion

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.

From Time

Any effort to scrutinize the subtle striations in the gray blanket above and tease out distinctions may have finally found some reward around sunset.

From Washington Post

Most modern sharks have linear striations on their scales, which may offer some boost to their swimming efficiency.

From Science News

The striation of the cones is still present, but is not nearly so clear as it was in the earlier stage.

From Project Gutenberg

The appearance of striation may on this hypothesis be explained as due to the presence of granules in the protoplasm.

From Project Gutenberg

In my specimens the yolk-spherules are not arranged with any reference to the radiating striation.

From Project Gutenberg

The sheath of notochord also appears to me to become thinner, and its radial striation is certainly less easy to detect.

From Project Gutenberg

In the form here figured the striation is as stated by De Toni, but is about 19 at the ends.

From Project Gutenberg

Related Words

• ribbon