knurl

n. 木节, 木瘤, 隆起

发音

UK /nɜːl/
US /nɝl/

词形变化

knurls 复数 knurls knurled knurling knurls 三单 knurling 现在分词 knurled 过去式 knurled 过去分词

别名

nurl

释义与例句

n.
  1. 1.

    A contorted knot in wood.

  2. 2.

    A crossgrained protuberance; a nodule; a boss or projection.

  3. 3.

    A lined or crossgrained pattern of ridges or indentations rolled or pressed into a part for grip.

v.
  1. 1.

    To roll or press a pattern of ridges or indentations into a part for grip.

词源

From knur + -le (“diminutive”), from Middle English knarre (“knot in wood”), earlier sense “a stone”, likely influenced by Old Norse knǫrr. gnarl is a later variant, from gnarled, via knurled.

来源：wiktionary