释义 |
▪ I. precut, n.|ˈpriːkʌt| [f. the vb.] a. A cut made in something prior to some other operation on it. b. Something that has been precut.
1948Trans. Inst. Mining Engin. CVII. 242 A long bottom jib was provided to give a pre-cut and so assist in the fracturing of the coal which is rather strong. 1960J. Sinclair Winning Coal vii. 204 A middle pre-cut has been usefully employed where a floor tends to lift and break at the bottom of the coal. 1971Real Estate Rev. Fall 49/1 They are to be distinguished from pre-cuts, which involve materials cut to proper size off-site and then conventionally constructed on site. ▪ II. preˈcut, v. [pre- A. 1.] trans. To cut prior to some other operation. Also absol. So preˈcutting vbl. n.
1945Trans. Inst. Mining Engin. CIV. 192 As with other types of loader which rely upon pre-cutting and blasting for the satisfactory preparation of the coal for loading, much difficulty was experienced. Ibid. 701 This roof can be a bad one if not properly controlled, and we felt we would not like to take the risk of pre-cutting and blowing coal, and thus removing all support. 1951B. Kelly Prefabrication of Houses i. 4 There may be said to be various degrees of prefabrication, of which precutting might be one, the fabrication of panels another, [etc.]. 1960J. Sinclair Winning Coal vii. 191 Two men pre-cut the face with an A.B. Fifteen Cutter. Ibid. 206 It may be preferable sometimes to pre-cut and load on the same shift with the separate cutter working about 40 yd ahead of the cutter-loader. 1961M. Beadle These Ruins are Inhabited (1963) xi. 160 The Co-ops are pre-cutting their meat and putting it in plastic film. 1964A. Nelson Dict. Mining 343 Pre-cutting, a term used in machine mining where a coal-cutter makes a cut along the face in front of a cutter-loader. Hence preˈcut ppl. a.
1946Fortune Apr. 244/2 Pease makes only wall, ceiling, and floor panels in the factory; roofs are built on the site from factory precut lumber by traditional methods. 1960Farmer & Stockbreeder 29 Mar. 74/3 As the mower makes a new cut, the scatterer shakes up the pre-cut swath, thereby reducing the time necessary to make the hay. 1960Times 29 Aug. 15/3 The Birmingham Co-operative Society has, for some time now, been selling pre-cut and prepacked meat. 1967Karch & Buber Offset Processes iv. 112 (caption) Redi-Kut display letters are pre-cut and have a pressure-sensitive backing. 1974Encycl. Brit. Macropædia XIV. 966/1 One of the earliest excursions into prefabrication was the adoption of precut framing lumber pieces for walls and partitions. 1976Sci. Amer. Nov. 100/2 In the commonest form of stamping, a precut metal blank is formed in a mechanical press between a set of dies that have been carefully shaped to yield the desired part. |