striation

noun

stri·​a·​tion strī-ˈā-shən 

1

a

: the fact or state of being striated

b

: arrangement of striations or striae

2

: a minute groove, scratch, or channel especially when one of a parallel series

3

: any of the alternate dark and light cross bands of a myofibril of striated muscle

Examples of striation in a Sentence

Recent Examples on the Web

On examination, Kolawole realized the sandstone rocks were cut through with striations. —Bypaul Voosen, science.org, 7 Nov. 2024

The woman’s coffee skin features white and black striations: while the white lines communicate where light touches her, the latter lines hollow out her under-eyes and cheeks to register a fatigue that evinces perseverance. —Shameekia Shantel Johnson, ARTnews.com, 4 Nov. 2024

For subtler striation, the many drawers in Atelier Pendhapa’s Mangala Desk bring a layered look while keeping a more traditional profile. —Rachel Gallaher, Robb Report, 27 Oct. 2024

The summits are coated with attractive striations of snow that make the mountains look like giant liquorice allsorts. —James Rampton, theweek, 24 Oct. 2024

Word History

First Known Use

circa 1847, in the meaning defined at sense 1a

Kids Definition

striation

noun

stri·​a·​tion strī-ˈā-shən 

1

: the fact or state of being striated

2

: a tiny groove, scratch, or channel especially when one of a parallel series

3

: any of the alternate dark and light cross bands of a myofibril of striated muscle

Medical Definition

striation

noun

stri·​a·​tion strī-ˈā-shən 

1

: the fact or state of being striated

2

: a minute groove, scratch, or channel especially when one of a parallel series

3

: any of the alternate dark and light cross bands of a myofibril of striated muscle