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

His eyes glowed a bright blue, his dark brown hair disappeared, and his face and scalp took on a lighter blue hue with long, almost veiny, striations. —Jp Mangalindan, Peoplemag, 3 May 2024

The flattened result yields a surface that brings to mind the beautiful sandstone striations of the Wave in Northern Arizona. —Jenn Harris, Los Angeles Times, 8 Apr. 2024

Yet many still bear a signature of their provenance in the form of faint longitudinal striations. —Karen Wright, Discover Magazine, 11 Nov. 2019

Once sliced, the chicken’s interior does a remarkable impression of breast meat, down to the pale striations, although Park says the V-5 bird is more of a hybrid cut. —Tim Carman, Washington Post, 15 Sep. 2023

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