单词 | ferrous |
释义 | ferrousadj. 1. Esp. of metals and alloys: containing iron in significant quantities. Also: of or relating to iron; resembling or characteristic of iron. Cf. non-ferrous adj.rare before late 19th cent. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > iron > [adjective] ironya1522 iron1549 ferreal1599 ferrical1612 ferrean1656 ferrous1755 sideric1830 ferric1858 the world > matter > chemistry > elements and compounds > metals > specific elements > iron > [adjective] martial1685 ferrous1755 1755 S. Johnson Dict. Eng. Lang. at Eruginous Copperas is a rough and acrimonious kind of salt, drawn out of ferrous and eruginous earths. 1895 Proc. Amer. Acad. Arts & Sci. 1894–5 30 490 In this paper tests of several ferrous materials are given, as well as some on a specimen of nickel. 1915 F. Ibbotson & L. Aitchison Anal. Non-ferrous Alloys p. v The chemistry of the ferrous alloys. 1949 Our Industry (Anglo-Iranian Oil Co.) (ed. 2) ix. 233 A modern steam turbine oil..in which are incorporated additives..preventing the corrosion of ferrous parts. 1989 R. L. O'Connell Of Arms & Men iii. 32 Iron..was used very early, Anatolian armorers having experimented with ferrous blades at least as far back as 2500 B.C. 2003 G. Burn North of Eng. Home Service (2004) ii. 47 Polluted mine water..flooded the main street, slicking it ferrous orange. 2009 M. Maslin Global Warming: Very Short Introd. (ed. 2) vii. 138 The electricity, ferrous metals, cement, refineries, pulp and paper, and glass industries..represent over 40% of the EU total emissions. 2. Chemistry. Forming names of compounds and salts of iron in which the element has a lower oxidation state or valency, esp. +2. Hence: designating (iron in) this state. Contrasted with ferric adj. 1.Recorded earliest in ferrous oxide n., ferrous sulphate n., and some other Compounds. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > iron > [adjective] > compounds ferrous1832 ferrite1900 1832 A. D. Bache tr. J. J. Berzelius in Amer. Jrnl. Sci. 22 253 I therefore use the terms, ferrous oxide, and ferric oxide, for protoxide of iron, and deutoxide of iron. 1865 H. Watts Dict. Chem. III. 343 Some kinds of the ore..also contain a considerable amount of ferrous carbonate. 1878 W. de W. Abney Treat. Photogr. iv. 30 The action of light on all ferric salts, under certain conditions, is to reduce them to the ferrous state. 1922 T. M. Lowry Inorg. Chem. xli. 778 Sulphur unites directly with iron to form the fusible ferrous sulphide, FeS. 1940 R. L. Haden Princ. Hematol. (ed. 2) iv. 53 The iron attached to the hematin is in the ferrous form. 1963 M. Florkin & E. H. Stotz Comprehensive Biochem. V. ii. 73 Ferrous gluconate..is used in the treatment of iron-deficiency anaemia. 1991 S. F. Mason Chem. Evol. xi. 159 Thiobacillus ferro-oxidans..generates ATP chemiosmotically by oxidizing ferrous to ferric iron. 2008 Daily Tel. (Nexis) 29 Mar. (Weekend section) 8 Ferrous sulphide is the grey-green ring around the outside of a cooked yolk. Compounds ferrous oxide n. iron( ii) oxide, a black solid which is the principal component of the mineral wüstite and is used as a pigment.Formula: FeO (specimens are commonly non-stoichiometric, with a deficiency of iron). ΚΠ 1832Ferrous oxide [see sense 2]. 1873 J. P. Cooke New Chem. (1874) 173 Ferrous and ferric sulphates..correspond to ferrous and ferric oxides. 1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) xx. 162 The iron is originally obtained from spathic iron ore (FeCO3) by heating the ore, when ferrous oxide is formed, and then reducing this ferrous oxide with water-gas. 2004 APT Bull. 35 68/2 Steel reacts readily with the chloride ions, water, and oxygen to form ferrous oxide. ferrous sulphate n. iron( ii) sulphate, a white or (when hydrated) pale green crystalline solid used in inks, tanning, water purification, and as a dietary supplement to treat anaemia; also called green vitriol, copperas.Formula (green heptahydrate): FeSO4·7H2O. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > iron sulphate ferrous sulphate1832 stypticite1854 glockerite1868 tauriscite1868 1832 A. D. Bache tr. J. J. Berzelius in Amer. Jrnl. Sci. 22 269 Ferrous sulphate. 1876 T. Sims in G. P. Bevan Brit. Manufacturing Industries VI. 146 Iron buff may be produced by first saturating the cloth with a solution of ferrous sulphate, and then passing it through milk of lime. 1982 G. C. Hill & J. S. Holman Chem. in Context: Lab. Man. & Study Guide 17/1 Iron tablets bought at the chemist usually contain iron(II) sulphate (ferrous sulphate), a cheap, soluble form of iron. 2012 Wilson (N. Carolina) Daily Times (Nexis) 18 Jan. Ferrous sulfate is used in municipal wastewater treatment to control odor. This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022). < adj.1755 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。