(See quots.); = countersink, n. 2. Hence †countersunk bit. Obsolete.
| 单词 | θ102377 |
| 释义 | the world > space > relative position > condition of being open or not closed > an opening or aperture > [noun] > a hole bored, pierced, or perforated > enlarging > an enlargement (3) countersunk1794 (See quots.); = countersink, n. 2. Hence †countersunk bit. Obsolete. countersink1846 The conical enlargement of the upper part of a hole for receiving the head of a screw or bolt. Cf. countersunk, adj. Hence countersink bit, a bit… counterborea1884 = countersink, n. 1 2. |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。