释义 |
▪ I. ageing, aging, vbl. n.|ˈeɪdʒɪŋ| [f. age v. + -ing1.] 1. a. Becoming old. b. Giving the appearance of age to.
1879G. Gladstone in Cassell's Techn. Educ. I. 198 The hot flue leads into the ageing-room, where the cloth remains suspended. 1881M. Pattison in Academy 12 Feb. 109/3 The unfortunate effect upon us of ageing. 1882Daily News 3 Jan. 2/3 A New Way to Make Old Bronzes. This ‘ageing’ process..is, to say the least, rather ‘Gothic’ than Egyptian. 2. Calico-printing. The action or process of fixing the colours and mordants by exposing the printed goods to the action of a warm, moist atmosphere or by running them through hot steam (see quot. 1961). Also attrib.
1849J. Thom Brit. Pat. 12,610 4 The ageing of goods by..passing them through a chamber containing aqueous vapour. 1850S. Pincoffs Brit. Pat. 13,080 5 Improvements in the ageing process..consist in..the mode of introducing into the ageing room..a heated and moistened atmosphere. 1859Ibid., The ageing stove. 1862C. O'Neill Dict. Calico Printing 8/2 Ageing liquor. 1881Instr. Census Clerks (1885) 69 Ageing Machine Minder. 1882Jrnl. Soc. Chem. Industry I. 188 To prevent condensation,..the walls of the aging [sic] house are double. 1961Blackshaw & Brightman Dict. Dyeing & Textile Printing 6 Ageing, originally a process in which printed fabric was exposed to a hot moist atmosphere. At the present time the term is almost exclusively applied to treatment of printed fabric in moist steam in absence of air. 3. The action or process of maturing pottery clay, wine, logwood, tobacco, etc. Also attrib.
1860Tomlinson Arts & Manuf. 2nd Ser. Pottery 31 The mixture of clay and flint..ought to be kept..in order that the materials may become more intimately united... During this ageing, as it is called, a fermentation takes place. 1874Knight Dict. Mech., Ageing (Wine and Liquors). Ibid., Wine-ageing Apparatus. 1910E. Knecht et al. Man. Dyeing (ed. 2) I. 331 Ageing or Maturing of Logwood. 1935Discovery Nov. 340/2 The ageing of tobacco is dependent on the action of micro-organisms. 4. a. The continually increasing hysteresis of iron under alternating magnetization, or when subjected to great heat.
1896D. C. & J. P. Jackson Alternating Currents 539 Ageing of Transformer Cores. Ibid., The ageing seems to have the greatest effect upon poor qualities of iron. b. In various other techn. uses (see quots.).
1902Encycl. Brit. XXVIII. 90/1 Ageing of lamps. 1916Jrnl. Soc. Chem. Industry XXXV. 873/2 After varying periods of ageing..both [rubber] compounds are much over-vulcanised at 4½ hours. 1930Engineering 19 Sept. 358/1 Artificial ageing of Duralumin. 1930Field & Weill Electro-Plating iv. 50 After some use a solution works better than an entirely new one. This is called ‘ageing’. 1937Jrnl. Inst. Civil Engin. VII. 115 There are records of the ageing of at least one pipe from which the local growth-rate [of internal roughness] can be found. 1945Ann. Reg. 1944 386 The addition of small quantities of finely powdered copper..has the added advantage of increasing the resistance [of synthetic rubber] to ageing. 1958Engineering 28 Mar. 410/3 The heat-treatment furnace is designed for solution treatment and artificial ageing, as well as annealing. 1959B.S.I. News Nov. 21 Tests [of copper conductors] include..heat shock, heat ageing, [etc.]. ▪ II. ageing, aging, ppl. a.|ˈeɪdʒɪŋ| [f. age v. + -ing2.] a. Becoming aged, showing signs of advancing age. b. Giving the appearance of old age.
1862Com. Place Philosopher 153 Esteemed by all, though gouty, ageing, and careworn. 1863Sat. Rev. 204 Working envenomed slippers for her penurious and aging spouse. 1870Morris Earth. Parad. I. i. 20 Many an ageing line..Ploughed his thin cheeks. |