请输入您要查询的英文单词:

 

单词 triblet
释义

tribletn.

/ˈtrɪblɪt/
Forms: Also 1700s triboulet, 1800s treblett, tribolet.
Etymology: = French triboulet in the sense ‘wooden cylinder used by goldsmiths for rounding articles’ (Littré); of uncertain origin: see Littré.
A cylindrical rod or mandrel used for forging nuts, rings, tubes, etc., or for drawing lead-pipe. Also attributive: triblet tubes, thin tubes which slide one upon the other, as in a telescope.
ΘΚΠ
society > occupation and work > equipment > metalworking equipment > [noun] > equipment for making tubes, pipes, or rings
wortlea1525
triblet1611
tube-machine1891
tube-mill1909
1611 R. Cotgrave Dict. French & Eng. Tongues Triboulet, a Triblet; the toole whereon Goldsmiths and Clockmakers put Rings, and little wheeles, when they file, or otherwise worke, them.
1736 R. Ainsworth Thes. Linguæ Latinæ I. (at cited word) A triblet, or triboulet (goldsmith's tool for making rings).
1778 Nairne in Philos. Trans. (Royal Soc.) 68 854 In the uppermost room stood a large iron triblet, of about three feet in height.
1853 A. Ure Dict. Arts (ed. 4) I. 724 A mandril,..which consists of a long rod of iron, having a short steel treblett on its end.
1877 E. H. Knight Pract. Dict. Mech. (at cited word) The nut having been cut from the bar, the hole is punched and enlarged by the triblet.
1895 Model Steam Engine 95 Triblet drawn tube (i.e., tube made by drawing a steel mandrel through the inside as well as drawing the outside through a hole).
This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2021).
<
n.1611
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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 21:03:03