| 单词 | hair-compasses |
| 释义 | > as lemmashair-compasses hair-compasses n. compasses which can be regulated to the utmost nicety; see quot. ΘΚΠ the world > relative properties > measurement > measuring instrument > [noun] > for measuring distances > compasses, dividers, or callipers compassa1387 proportional compass1570 callipers1571 calliper compass1581 triangular compasses1701 dividers1703 cannipers1707 hair-compasses1728 bow-compass1796 outside calliper1874 wing-compass1875 moff1885 odd-leg1900 1728 E. Chambers Cycl. at Compasses Hair-Compasses, so contrived within-side, as to take an Extent to a Hair's-breadth. 1807 T. Young Course Lect. Nat. Philos. I. x. 101 When great accuracy is required, hair compasses may be employed, having a joint with a spring in one of the legs which is bent a little by means of a fine screw. < as lemmas |
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