| 单词 | pair of callipers |
| 释义 | > as lemmaspair of callipers a. Originally: †compasses used to measure the calibre of shot (obsolete). In later use: an instrument for measuring the diameter of a round object, having two hinged legs resembling a pair of compasses and often with a scale attached for reading off the measurement; (also) a similar instrument with straight legs turned outwards at the end for measuring the internal diameter of a tube or pipe. Usually in plural, as callipers, pair of callipers. Cf. calliper compass n. at Compounds.inside callipers, odd-leg callipers, outside callipers: see the first element.In quot. 1597 in a marginal note on the word weight, which is used to render calibre in the Spanish original. 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 1571 Accts. Treasurer Scotl. f. 148 Making of certane callaberdis to pas gros culvering, battard, moyane, sacart, dowbill and singill falcone bullettis. 1597 E. Hoby tr. B. de Mendoza Theorique & Practise Warre 92 (margin) Calibre, from the word we tooke firste the name of caliuer, whiche is of a higher bore then the harquebuse, & there is an instrument like to a pair of compasses, with the whiche the weight & height of bulletts are measured: we call that in English a Calaber. 1647 N. Nye Art of Gunnery i. 50 Also by such a pair of Callapers you may finde the Diam: of the Base-Ring, and of the Mussel-Ring, of any Piece of Ordnance. 1680 J. Moxon Mech. Exercises I. xii. 204 Callippers measure..any round Cilindrick Conical Body. 1753 W. Hogarth Anal. Beauty Introd. 47 These points may be marked upon a marble figure with calibers properly used. 1821 W. M. Craig Lect. Drawing vii. 372 An anvil, a hammer, and a pair of calipers. 1859 S. Smiles Self-help 267 Moral philosophy which proposes to measure our heads with callipers. 1876 Catal. Special Loan Coll. Sci. Apparatus S. Kensington Mus. No. 284. Universal Calliper, with slide and reverse action. No. 271 Calliper with Dial..divided into eighths of an inch. 1947 A. J. Thompson Making Your Own Telescope ix. 127 The diameter of the exit pupil can be quite exactly measured by means of calipers. 2000 Spectator 3 June 64/2 A herpetologist who wanted to measure his testicles with a pair of callipers. < as lemmas |
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