| 释义 |
balancer|ˈbælənsə(r)|
[f. as prec. + -er1; cf. AF. balancer, OF. balancier.]
†1. One who weighs with a balance. Obs. rare.
[1309Hustings Rolls Lond. No. 38. 102 Ralph le Balancer, Pepperer. 1320Ibid. No. 49. 1 Le Balauncer.] 1413Lydg. Pylgr. Sowle i. xxxiv. (1859) 37 Neyeng toward the balaunce..she sayd to the balauncer; How is it in oure partye? 1611Cotgr., Balanceur, a ballancer; a weigher of things in a ballance.
2. One who balances himself in difficult positions; a tumbler, acrobat.
c1510Cocke Lorelles B. 10 Balancers, tynne casters, and skryueners. 1785Reid Int. Powers iv. iv, The feats of balancers and rope dancers. 1841De Quincey Rhet. (1860) 355 Posture-maker or balancer.
3. One who keeps things in equilibrium, or maintains the balance of power.
1731A. Hill Adv. Poets xxxi, Ballancers of State. 1795Scots Mag. LVII. 884/2 A republican balancer of Europe, which the new republic would be.
4. Something which helps to preserve the balance; spec. the knobbed filaments (haltēres or poisers), which in two-winged flies replace the posterior wings, a name given (in F.) by Réaumur from their resemblance to the balancier used in coining. In technical uses (see quots.).
1753Chambers Cycl. Supp., Ballancers..under the wings of the two-winged flies. 1854Owen in Circ. Sc. Org. Nat. II. 56/1 In the long-bodied..abdominal fishes, the ventrals..subserve the office of accessory balancers. 1863Wood Illustr. Nat. Hist. III. 554 The..halteres or balancers..are the only vestiges of the hinder pair of wings. 1904S. P. Thompson Dynamo-Electric Mach. (ed. 7) I. 775 Uses of Motor-Generator Combinations... Equalization of voltages in a 3-wire or 5-wire system of distribution; in which case, the apparatus is termed a Balancer. 1923Daily Mail 17 Feb. 4 The Lanchester balancer incorporated with the five-bearing crankshaft... The balancer consists of two weighted drums driven by a helical gear wheel fixed to a web of the crankshaft. They revolve at twice the crankshaft's speed and ensure its perfect balance and harmony.
5. balancer mash, meal, a supplementary food for poultry (see quot. 1951).
1950A. Christie Murder is Announced i. 15 [She] was conscientiously stirring in handfuls of balancer meal to a..basin full of cooked potato peelings. 1951W. P. Blount Hen Batteries viii. 122 Balancer Meal is not a complete feed in itself. It is intended to provide those main nutrients (proteins) deficient in ordinary household scraps. 1955Pract. Poultry Keeping (ed. 5) viii. 61 A grain balancer mash should be used for this form of feeding and may be the same as for dry mash. |