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

Therefore, the striations are believed to be signatures of subtle yet powerful magnetic fluctuations, which alter the density and opacity of the solar plasma. —Samantha Mathewson, Space.com, 6 June 2025

The cells at the top of the striations had ample oxygen; those at the bottom had virtually none. —Carrie Arnold, Quanta Magazine, 21 Apr. 2025

Its base is crafted from iron eye stone, known for its golden striations. —Justin Fenner, Robb Report, 1 Apr. 2025

Single-trunked and straight, their bark color ranges from almost white to light gray and is smooth except for horizontal striations of darker grays. —Andy Wilcox, Better Homes & Gardens, 14 Feb. 2025

Word History

First Known Use

circa 1847, in the meaning defined at sense 1a

Rhymes for striation

• ablation
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation
• collation

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