centerpunch
发音
US
词形变化
centerpunches
复数
centerpunches
centerpunched
centerpunches
三单
centerpunching
centerpunching
现在分词
centerpunched
过去式
centerpunched
过去分词
别名
centrepunch
释义与例句
n.
-
1.
A hand tool used to prepare a workpiece prior to drilling a hole. It typically compresses and then suddenly releases a spring, creating a small indentation that, in turn, guides and centers the drill.
-
2.
The indentation left by such a tool.
v.
-
1.
To prepare a workpiece for drilling by using a centerpunch to create an indentation.
-
2.
To place something directly in the middle.
词汇关系
词源
From center + punch.
来源:wiktionary