stria
Americannoun
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striae
plural
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a slight or narrow furrow, ridge, stripe, or streak, especially one of a number in parallel arrangement.
striae of muscle fiber.
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Mineralogy. any of a series of parallel lines or tiny grooves on the surface of a crystal, indicative of the mode of growth.
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Architecture. a flute on the shaft of a column.
noun
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Also called: striation. geology any of the parallel scratches or grooves on the surface of a rock caused by abrasion resulting from the passage of a glacier, motion on a fault surface, etc
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fine ridges and grooves on the surface of a crystal caused by irregular growth
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biology anatomy a narrow band of colour or a ridge, groove, or similar linear mark, usually occurring in a parallel series
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architect a narrow channel, such as a flute on the shaft of a column
Other Word Forms
Noun Inflected Forms
Etymology
Origin of stria
1555–65; < Latin: furrow, channel
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Next, we monitored the activity of a particular collection of cells in a portion of the brain known as the bed nucleus of the stria terminalis, or BNST.
From Science Daily ● Aug. 23, 2026
One study of the stria terminalis, a region of the brain that influences sex responses and sexual behavior, found that male-to-female transgender people had a female-sized stria terminalis.
From Slate ● Jun. 4, 2014
A follow-up study found that in male-to-female people, even ones who had never gone through a course of hormone therapy, the number of neurons in the stria terminalis was equivalent to the number in women.
From Slate ● Jun. 4, 2014
If perchance they are deaf, he thinks that it is possibly because of the defect in the stria vasculosa.
From The Dancing Mouse A Study in Animal Behavior by Robert M. Yerkes
This latter is very thick in the calcarine region, and forms the white stria of Gennin, while the inner band is best seen in the precentral gyrus.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various
Glacial striae are very common on rock surfaces eroded by both alpine and continental glaciers.
From Textbooks ● Jan. 1, 2015
Right: Glacial striae at the same location near Squamish.
From Textbooks ● Jan. 1, 2015
On a smaller scale, both types of glaciers form drumlins, roches moutonées, and glacial grooves or striae.
From Textbooks ● Jan. 1, 2015
Figure 16.25 Left: Roches moutonées with glacial striae near Squamish, B.C.
From Textbooks ● Jan. 1, 2015
Sometimes 584 the striae on crystal-faces are due to repeated lamellar twinning, as in the plagioclase felspars.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
