| 单词 | calibre-square |
| 释义 | > as lemmascalibre-square attributive and in other combinations, as in calibre-rule, calibre-scale, calibre-compasses, calibre-square. see calliper n. ΚΠ 1729 G. Shelvocke, Jr. tr. K. Siemienowicz Great Art Artillery i. 1 The Calibre Scale..an Instrument or Ruler..to determine the Weights of all Iron Bullets by their Diameters. 1753 Chambers's Cycl. Suppl. Caliber-rule is an instrument, wherein a right line is so divided, as that the first part being equal to the diameter of an iron or leaden ball of one pound weight, the other parts are to the first, as the diameters of balls of two, three, four, etc., pounds, are to the diameter of a ball of one pound. The caliber is used by engineers, from the weight of the ball given, to determine its diameter, or caliber; or vice versa. < as lemmas |
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