| 释义 |
smelting, vbl. n.|ˈsmɛltɪŋ|
[f. smelt v.]
1. The action of the verb smelt.
1531–2Durh. Househ. Bk. (Surtees) 78 Et Nicholao Kyrchus et socio pro smeltynge 110 ma. petr. plumbi 6s. 6d. 1582in Trans. Jewish Hist. Soc. (1903) IV. 94 Takeinge the said vitriall or Coppris from the ure before it Come in to the first smeltinge. 1665Hooke Microgr. Pref., Smelting..seems capable of being improv'd. a1691Boyle Wks. (1772) V. 741 What Tools are used in smelting, their Figures, use, &c. 1729Phil. Trans. XXXVI. 32 The Dross of the Ore on smelting is called Slag. 1797Encycl. Brit. (ed. 3) XII. 86/2 In the smelting of copper ores, quartz is used. 1851D. Wilson Preh. Ann. II. iii. ii. 85 Smelting and working of iron with fires of wood. 1879Cassell's Techn. Educ. I. 26/1 The smelting, conducted in large blast furnaces, disengages the metal from the oxygen and earths of the ores.
fig.1882Froude Carlyle II. 130 The incompleteness of the smelting shows all the more the actual condition of his [Carlyle's] mind.
b. A process or product of smelting.
1872Daily News 12 Oct., The sulphur smoke of the smeltings kills vegetation.
2. attrib., as smelting bellows, smelting fire, smelting-furnace, smelting-hearth, smelting-house, smelting mill, etc.
1610Holland Camden's Brit. 767 Minerall men, who have their smelting house by Derwent side. 1664Oldenburg in Boyle's Wks. (1772) VI. 150 It is like the smelting miln-smoke. 1667in Pettus Fodinæ Reg. (1670) 35 Five Pair of large Smelting Bellows. 1706Phillips (ed. Kersey) s.v. Smelt, A..Furnace..call'd, The smelting-Furnace. 1778W. Pryce Min. Cornub. 68 It has been carried to the smelting-house, as it came out of the earth. 1815J. Smith Panorama Sci. & Art II. 819 The mixture is calcined over a smelting fire. 1836Penny Cycl. VI. 106/2 In the time of the Romans smelting works were carried on in the neighbourhood. 1877Raymond Statist. Mines & Mining 339 What are known as smelting-ores in this district are the richer grades carrying usually 300 ounces of silver and upwards per ton. 1890W. J. Gordon Foundry 100 The air driven into the smelting-hearth was cold. |