| 释义 |
gearing, vbl. n.|ˈgɪərɪŋ|
[gear n. and v. + -ing1.]
1. dial. Harness.
1863Mrs. Toogood Yorksh. Dial., Put the gearing on t' hoses and go away to plough. 1877Holderness Gloss., Gearin, harness.
2. Working implements, ‘plant’.
1825Ld. Cockburn Mem. i. 76 Our colliers and salters belonged..to their respective works with which they were sold as part of the gearing.
3. a. The action of fitting a machine with gear; the manner in which a machine is geared; concr. apparatus for the transmission of motion or power, e.g. a train of toothed wheels = gear n. 7. Often preceded by some qualifying word, as bevel-gearing, spur-, etc. gearing; also with advs., as in gearing-down, gearing-up. out of gearing: out of gear.
1833J. Holland Manuf. Metal II. 350 These wires pass through the gearing, between the bars of a reed, as in linen⁓weaving. 1851Illustr. Catal. Gt. Exhib. 210 The speed requisite for the propeller is obtained by means of accelerating gearing. 1860Maury Phys. Geog. Sea xviii. §740 It is so stable and true in its work that nothing can throw it out of gearing. 1862Smiles Engineers III. 49 By an entire rearrangement of the gearing of the machine, he shortly succeeded in greatly lessening the wear and tear of the ropes. 1869R. B. Smyth Gold F. Victoria 612 Gearing—A series of wheels working into each other whereby motion is transmitted. 1882Knowledge 10 Mar. 397/2 When the gearing down is carried to a great extent, the pedals make two revolutions for one revolution of the driving-wheels. A machine so geared can be ridden up a steep hill easier than a bicycle.
b. Finance. (See quots.) Also attrib.
1932H. Parkinson Sci. Investment ix. 88 Among the stocks shown in the table, the high gearing of the railways is conspicuous. 1936Economist 14 Mar. 594/1 The ‘gearing ratio’ is the proportion borne by the total net assets of the company to the net assets available for the common stock. 1959Jrnl. Inst. Bankers Apr. 149 The simplest form of gearing is the issue of two classes of shares of which one class gives a preferential right to a fixed percentage dividend before the holders of the other class receive anything. 1965Seldon & Pennance Everyman's Dict. Econ. 193 Gearing, the proportion of a company's annual income allocated to ‘prior charges’ (interest on debentures and preference dividends), the remainder going to the ordinary shareholders. Where it is high the company is said to be highly geared, and conversely.
4. Comb., as gearing-beam, gearing-chain, gearing-wheel.
1835J. H. Ingraham South-West II. 288 Two *gearing beams are laid across, for supporting the machinery.
1874Knight Dict. Mech., *Gearing-chain, an endless chain transmitting motion from one toothed wheel to another.
1835Ure Philos. Manuf. 109 Two eighty-horse steam-engines..are mounted with their great *geering-wheels on the ground floor. 1876Preece & Sivewright Telegraphy 81 Made to revolve by means of the ‘gearing’ or driving wheels. |