[ strahy-uh ]
/ ˈstraɪ ə /

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

Examples from the Web for striae

British Dictionary definitions for striae


/ (ˈstraɪə) /

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

Medicine definitions for striae


[ strīə ]

n. pl. stri•ae (strīē)

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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.