depthingn.

Etymology: < assumed verb depth = depthen v. + -ing suffix¹.Previous versions of the OED give the stress as: ˈdepthing.

In depthing or depthening-tool: (a) a countersink for deepening a hole; (b) a watchmaker's tool for gauging the distances of pivot-holes in movement plates.

ΚΠ

1788 Trans. Soc. Arts 6 188 Description of the sector depthing tool [in Horology].

1879 Cassell's Techn. Educator (new ed.) IV. 325/2 Supposing we place a wheel and pinion into the depthing tool, with sixty-four teeth and eight leaves respectively.

1881 F. J. Britten Watch & Clockmakers' Handbk. (ed. 4) 131 Accuracy of construction is absolutely essential in the depthing tool.

This entry has not yet been fully updated (first published 1895; most recently modified version published online June 2019).

单词	depthing
释义	depthingn. Etymology: < assumed verb depth = depthen v. + -ing suffix¹.Previous versions of the OED give the stress as: ˈdepthing. In depthing or depthening-tool: (a) a countersink for deepening a hole; (b) a watchmaker's tool for gauging the distances of pivot-holes in movement plates. ΚΠ 1788 Trans. Soc. Arts 6 188 Description of the sector depthing tool [in Horology]. 1879 Cassell's Techn. Educator (new ed.) IV. 325/2 Supposing we place a wheel and pinion into the depthing tool, with sixty-four teeth and eight leaves respectively. 1881 F. J. Britten Watch & Clockmakers' Handbk. (ed. 4) 131 Accuracy of construction is absolutely essential in the depthing tool. This entry has not yet been fully updated (first published 1895; most recently modified version published online June 2019). < n.1788
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