Correct

波纹

/ bōwén / 
Strokes

Definition

ripple/corrugation

Example

As a Noun

ripple

1
Shātān
沙滩
shàng
上
de
的
bōwén
波纹

ripples in sand

2
Juǎnfà
卷发
shàng
上
de
的
bōwén
波纹

waves in one's hair

As a Noun

corrugation