| 单词 | measuring wheel |
| 释义 | > as lemmasmeasuring wheel measuring wheel n. (a) an instrument consisting of a wheel of known circumference which is rolled along a surface to measure distance; †(b) an instrument for measuring the circumference of a carriage wheel (obsolete). ΚΠ 1702 A. Sharp Let. 2 Feb. in J. Flamsteed Corr. (1997) II. 909 Have lately made a measuring Wheel or Odometer of a peculiar contrivance, which without wheels or Pinions keeps an exact account of its way, both in Miles and Chains and parts. 1728 R. Morris Ess. Anc. Archit. Advt. Plane-Tables, Water-Levels, Measuring-Wheels. 1842 G. W. Francis Dict. Arts Perambulator, or Measuring Wheel, an instrument which being run along a road or other level surface indicates and registers the exact distance it passes over. a1877 E. H. Knight Pract. Dict. Mech. II. 1415/2 Measuring-wheel, one for measuring the circumference of a carriage-wheel, in order to find the length of tire required. 1984 A. C. Duxbury & A. Duxbury Introd. World's Oceans xv. 495 It is possible to attach a measuring wheel..so that..the wheel measures the distance over which it is dragged. < as lemmas |
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