stria

[strahy-uh]

noun, plural stri·ae [strahy-ee] /ˈstraɪ i/.

a slight or narrow furrow, ridge, stripe, or streak, especially one of a number in parallel arrangement: striae of muscle fiber.

Mineralogy. any of a series of parallel lines or tiny grooves on the surface of a crystal, indicative of the mode of growth.

Architecture. a flute on the shaft of a column.

Origin of stria

1555–65; < Latin: furrow, channel

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for striae

Historical Examples of striae

Sometimes 584 the striae on crystal-faces are due to repeated lamellar twinning, as in the plagioclase felspars.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7
Various
Cinnamon brown, the sides of the thorax with yellowish brown hairs, and patches in the striae of the same coloured hairs.
Discoveries in Australia, Volume 1.
J Lort Stokes
Interstitial line: the elevated ridge between two striae or series of punctures.
Explanation of Terms Used in Entomology
John. B. Smith
On the posterior margins of several operculars the striae break up into tubercles.
A New Genus of Pennsylvania Fish (Crossoperygii, Coelacanthiformes) from Kansas
Joan Echols
It is essential that the condenser be white and limpid and free from defects or striae.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 2
Various

British Dictionary definitions for striae

stria

noun plural striae (ˈstraɪiː) (often plural)

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

fine ridges and grooves on the surface of a crystal caused by irregular growth

biology anatomy a narrow band of colour or a ridge, groove, or similar linear mark, usually occurring in a parallel series

architect a narrow channel, such as a flute on the shaft of a column

Word Origin for stria

C16: from Latin: a groove

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for striae

stria

plural striae, 1560s, from Latin stria "a furrow, flute of a column;" see striation.

striae in Medicine

stria

[strī′ə]

n. pl. stri•ae (strī′ē)

A thin, narrow groove or channel.

A thin line or band, especially one of several that are parallel or close together.

A thin line, band, stripe, or streak distinguished from the tissue in which it is found; a striation.