stria

[ strahy-uh ]

noun

, plural stri·ae [strahy, -ee].

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

   striae of muscle fiber.

2. Mineralogy. any of a series of parallel lines or tiny grooves on the surface of a crystal, indicative of the mode of growth.
3. Architecture. a flute on the shaft of a column.

stria

/ ˈstraɪə /

noun

1. Also calledstriation 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
2. fine ridges and grooves on the surface of a crystal caused by irregular growth
3. biology anatomy a narrow band of colour or a ridge, groove, or similar linear mark, usually occurring in a parallel series
4. architect a narrow channel, such as a flute on the shaft of a column

Word History and Origins

Origin of stria¹

1555–65; < Latin: furrow, channel

Word History and Origins

Origin of stria¹

C16: from Latin: a groove