ferro-comb. form
1.
a. Chemistry. Forming names of compounds, anions, etc., containing iron; esp. indicating the presence of iron in a low oxidation state, spec. the ferrous state (oxidation number +2; contrasted with ferri- comb. form 2); cf. ferrous adj. 2.
ferrocyanate n.
Brit. 
/ˌfɛrə(ʊ)ˈsʌɪəneɪt/
, /ˌfɛrə(ʊ)ˈsʌɪəneɪt/U.S. /ˌfɛroʊˈsaɪəˌneɪt/
now rare = ferrocyanide n./ˌfɛroʊˈsaɪəˌneɪt/ΚΠ
1817 T. Thomson Syst. Chem. (ed. 5) I. 566 Ferrocyanate of potash throws down a white precipitate, which is redissolved by muriatic acid.
1912 The Word Aug. 292 Cyanide of potassium is a deadly poison, but ferrocyanate of potassium is harmless.
2009 Proc. National Acad. Sci. U.S.A. 106 18412/2 The specimens were postfixed in 1.5% osmium tetroxide..with 0.7% potassium ferrocyanate.
ferrocyanhydric acid n. /ˌfɛrə(ʊ)sʌɪanhʌɪdrɪk ˈasɪd/,
Brit. /ˌfɛrə(ʊ)sʌɪənhʌɪdrɪk ˈasɪd/
, /ˌfɛrə(ʊ)sʌɪənhʌɪdrɪk ˈasɪd//ˌfɛrə(ʊ)sʌɪanhʌɪdrɪk ˈasɪd/U.S. /ˌfɛroʊˌsaɪənˌhaɪdrɪk ˈæsəd/
now rare = ferrocyanic acid n./ˌfɛroʊˌsaɪənˌhaɪdrɪk ˈæsəd/ΚΠ
1843 T. Thomson Chem. Animal Bodies ii. 30 Ferrocyanhydric acid.
1854 N.Y. Jrnl. Pharmacy 3 190 When a cold saturated solution of ferrocyanate of potass is mixed with its own volume of fuming muriatic acid..a snow white precipitate of pure ferrocyanhydric acid is thrown down.
1994 Talanta 41 1435/2 The starting hexacyanoferrate compound is either an alkaline-metal salt or ferrocyanhydric acid.
ferrocyanic acid n.
Brit. /ˌfɛrə(ʊ)sʌɪanɪk ˈasɪd/
, /ˌfɛrə(ʊ)sʌɪanɪk ˈasɪd/U.S. /ˌfɛroʊsaɪˌænɪk ˈæsəd/
an acid obtained by acidifying ferrocyanides, forming white crystals.Formula: H4Fe(CN)6./ˌfɛroʊsaɪˌænɪk ˈæsəd/ΚΠ
1817 T. Thomson Syst. Chem. (ed. 5) II. 296 The whole of the baryates and sulphuric acid precipitate in combination, and leave the ferrocyanic acid dissolved in water.
1908 Jrnl. Amer. Chem. Soc. 30 1097 Investigators have produced compounds from oxygen bases, such as the ethers, alcohols and esters, and acids, such as ferrocyanic acid.
1982 D. A. Johnson Some Thermodynamic Aspects Inorg. Chem. (ed. 2) iv. 97 Because ferrocyanic acid is weak, the addition of hydrogen ions to an equimolar mixture of the cyanides lowers the concentration of ferrocyanide by a factor of about 10−7.
ferrocyanide n.
Brit. /ˌfɛrə(ʊ)ˈsʌɪənʌɪd/
, /ˌfɛrə(ʊ)ˈsʌɪənʌɪd/U.S. /ˌfɛroʊˈsaɪəˌnaɪd/
a salt containing the anion Fe(CN)64−; the anion itself; cf. prussiate n.See also potassium ferrocyanide n. at potassium n. Compounds 2./ˌfɛroʊˈsaɪəˌnaɪd/ΚΠ
1825 J. F. Dana Epitome Chymical Philos. 129 The metal of the oxide and the basis of the acid, iron and cyanogene, remain in combination; so that such compounds are ferro-cyanides.
1850 W. R. Grove On Correlation Physical Forces (ed. 2) 51 This is washed with an acid, which then gives, with ferrocyanide of potassium, the prussian blue precipitate.
1955 J. C. Giblin Qualitative & Volumetric Anal. (ed. 2) iv. ix. 161 A ferric salt..will form Prussian blue with a slight excess of ferrocyanide.
1982 D. A. Johnson Some Thermodynamic Aspects Inorg. Chem. (ed. 2) iv. 97 The addition of hydrogen ions to an equimolar mixture of the cyanides lowers the concentration of ferrocyanide by a factor of about 10−7.
ferrocyanogen n. /ˌfɛroʊˌsaɪˈænəˌdʒɛn/ now rare or disused a radical Fe(CN)6, formerly thought to exist in ferrocyanides.
Brit. /ˌfɛrə(ʊ)sʌɪˈanədʒ(ə)n/
, /ˌfɛrə(ʊ)sʌɪˈanədʒ(ə)n/U.S. /ˌfɛroʊˌsaɪˈænədʒən/
, /ˌfɛroʊˌsaɪˈænədʒən//ˌfɛroʊˌsaɪˈænəˌdʒɛn/ΚΠ
1827 A. Fyfe Elements Chem. II. 14 The iron and cyanogen may be considered as united, forming a compound radical.]
1827 A. Fyfe Elements Chem. II. Index 512/1 Ferro-cyanogen, ii. 14.
1876 R. Meldola in Encycl. Brit. V. 555/1 The group FeCy6 is regarded as an acid radicle (ferrocyanogen), and a large number of its salts (ferrocyanides) are known.
1963 Jrnl. Colloid Sci. 18 161 The present communication deals with studies on the permeability of electrolytes through the less familiar metal ferrocyanogen compounds, namely, chromic ferro- and ferricyanides.
ferro-prussiate n. /ˌfɛrə(ʊ)ˈprʌʃɪət/, /ˌfɛroʊˈprəʃiət/ now chiefly historical (a) = ferrocyanide n.; (b) (chiefly attributive) a process for making blueprints using paper sensitized with a solution of potassium ferricyanide and ferric ammonium citrate; cf. cyanotype n.
Brit. /ˌfɛrə(ʊ)ˈprʌsɪət/
, /ˌfɛrə(ʊ)ˈprʌsɪət//ˌfɛrə(ʊ)ˈprʌʃɪət/U.S. /ˌfɛroʊˈprəsiət/
, /ˌfɛroʊˈprəsiət//ˌfɛroʊˈprəʃiət/ΘΚΠ
society > leisure > the arts > visual arts > photography > treatment of plates, films, or paper > [adjective]
mercurialized1648
ferro-prussiate1815
sensitive1839
albumen1850
sensitized1851
bromized1853
waxed1853
salted1855
collodionized1859
collodioned1870
colour-sensitive1879
colour-sensitized1888
unsensitized1889
fumed1890
silvered1890
unfumed1891
orthochromatized1902
backed1906
hypersensitized1914
hypersensitive1937
1815 W. Henry Elements Exper. Chem. (ed. 7) II. ii. i. 397 The ferro-prussiate may be poured, till it ceases to produce any effect.
1875 Notes & Queries 21 Aug. (advt.) Marion's ferro-prussiate process.
1887 S. K. Burton Pract. Guide Photogr. & Photo-mech. Printing ii. 105 In the course of printing, the Ferro-Prussiate Paper assumes various tints.
1905 Electr. Rev. 11 Feb. 260/1 This removes the surplus ferro-prussiate in the quickest time possible.
1953 R. E. Kirk & D. F. Othmer Encycl. Chem. Technol. XI. 146 The common negative blueprint or ferroprussiate process was discovered by Sir John Herschel in 1842, and has undergone only slight modification.
1968 Brit. Patent 1,109,319 1/2 A diazonium salt or a ferro-prussiate as the light sensitive agent.
2009 Sci. Amer. (U.K. ed.) Sept. 74/1 In 1872..the Paris-based Marion and Company renamed his [sc. Herschel's] invention ‘ferro-prussiate’ and began marketing it for the replication of architectural plans.
ferroprussic acid n.
Brit. /ˌfɛrə(ʊ)prʌsɪk ˈasɪd/
, /ˌfɛrə(ʊ)prʌsɪk ˈasɪd/U.S. /ˌfɛroʊˌprəsɪk ˈæsəd/
[after French acide ferroprussique (J.-B. Van Mons 1820, in Ann. gén. des sci. physiques 6 263] now rare = ferrocyanic acid n./ˌfɛroʊˌprəsɪk ˈæsəd/ΚΠ
1821 Q. Jrnl. Sci. & Arts Apr. 160 The Doctor's dilemma between hypothesis and experiment on the ferrochyazic, or ferroprussic acid, is quite comical.
1889 U.S. Patent 397,480 1/2 When..the ferro-prussic acid is replaced by tannic, gallic, or pyrogallic acid, or by sulphur, a disagreeable brownish or greenish tone usually results.
1909 W. Segerblom Tables Prop. 119 Ferroprussic acid.
b. Biochemistry. Forming names of proteins which contain or transport iron.
ferro-proteid n.
Brit. /ˌfɛrə(ʊ)ˈprəʊtɪɪd/
, /ˌfɛrə(ʊ)ˈprəʊtɪɪd/U.S. /ˌfɛroʊˈproʊdiəd/
now rare = ferroprotein n./ˌfɛroʊˈproʊdiəd/ΚΠ
1902 Encycl. Brit. XXXI. 724/2 Ferro-proteids, proteids combined with an iron-containing molecule.
1905 D. N. Paton Essent. Physiol. Vet. Students i. 13 Ferro-proteids.—In the pigment of the blood (Hæmoglobin) proteids occur linked to an iron-containing molecule.
ferroprotein n.
Brit. /ˌfɛrə(ʊ)ˈprəʊtiːn/
, /ˌfɛrə(ʊ)ˈprəʊtiːn/U.S. /ˌfɛroʊˈproʊˌtin/
any protein that contains or transports iron; esp. any protein containing haem as a prosthetic group./ˌfɛroʊˈproʊˌtin/ΚΠ
1911 W. A. N. Dorland Amer. Illustr. Med. Dict. (ed. 6) 499/2 Ferroprotein, an albumin combined with an iron-containing radical.
1961 Biochimica & Biophysica Acta 50 161 Hydrogenase is a ferroprotein which in addition requires molybdenum for subsequent electron transport.
2009 Current Opinion Immunol. 21 63/2 Among microbes that are well adapted to their hosts, some have evolved countermeasures that allow them to obtain iron from host ferroproteins, including hemoglobin, ferritin, and transferrin.
c. Pharmacology. Forming names of medicinal preparations containing iron and a protein or other substance of vegetable origin.
ferroglidin n.
Brit. /ˌfɛrə(ʊ)ˈɡlʌɪdɪn/
, /ˌfɛrə(ʊ)ˈɡlʌɪdɪn/U.S. /ˌfɛroʊˈɡlaɪd(ə)n/
(also ferroglidine) [after German Ferroglidin (1909 or earlier; < ferro- ferro- comb. form + Glidin , the name of a protein found in wheat (compare gliadin n.))] now rare or disused/ˌfɛroʊˈɡlaɪd(ə)n/ΚΠ
1909 Lancet 31 July 303/1 We have now received further glidine compounds containing the elements bromine, iron, mercury, and arsenic, known respectively as bromoglidine, ferroglidine, luesan, and arsan.
1921 Pract. Druggist Oct. 38/2 Newer remedies..Ferroglidin, a product obtained from vegetable albumin.
ferroplasma n.
Brit. /ˌfɛrə(ʊ)ˈplazmə/
, /ˌfɛrə(ʊ)ˈplazmə/U.S. /ˌfɛroʊˈplæzmə/
[ < Italian ferroplasma (1907 or earlier; < ferro- ferro- comb. form + -plasma -plasm comb. form)] now rare or disused/ˌfɛroʊˈplæzmə/ΚΠ
1907 Brit. Med. Jrnl. 2 Nov. (Epitome) 68/1 Ferroplasma appears to combine complete harmlessness with a rapid effect.
1915 W. A. N. Dorland Med. Dict. (ed. 8) 364/2 Ferroplasma, an iron-containing preparation in the roots of Rumex crispus: used hypodermically in anemia, etc.
2.
a. Mineralogy. Forming names of minerals and mineral varieties containing a significant proportion of iron.† ferrocobaltine n. [rendering German Stahlkobalt (1819 or earlier; < Stahl steel n.1 + Kobalt cobalt n.)] Obsolete rare
ferro-calcite n.
Brit. /ˌfɛrə(ʊ)ˈkalsʌɪt/
, /ˌfɛrə(ʊ)ˈkalsʌɪt/U.S. /ˌfɛroʊˈkælˌsaɪt/
now rare In quot. 1823 probably an error for ferricalcite n./ˌfɛroʊˈkælˌsaɪt/ΚΠ
1823 G. Crabb Universal Technol. Dict. at Mineralogy Kirwan's System... Ferro-Calcite.]
1866 G. H. F. Ulrich in A. R. C. Selwyn & G. H. F. Ulrich Notes Physical Geogr., Geol., & Mineral. Victoria 75 On comparison of this composition with those of varieties generally classed under dolomite, a very great difference will be observed, especially as regards lime and magnesia; and it may therefore..not be unjustifiable to call this mineral Ferro-Calcite.
1913 Bull. Virginia Geol. Surv. No. 7. v. 200 These rocks..frequently contain an abundance of calcium-iron carbonate, probably a variety of ferrocalcite.
2000 Radiation Measurem. 32 372/2 Older calcretes often had a reddish tinge due to the presence of ferro-calcite.
ΚΠ
1854 J. D. Dana Syst. Mineral. (ed. 4) II. 58 The last 3 analyses have three-fourths of the cobalt replaced by iron; they are of the Stahlkobalt or Ferrocobaltine, from the Hamberg mine, Siegen.
ferrocobaltite n. /ˌfɛrə(ʊ)ˈkəʊbɒltʌɪt/, /ˌfɛrə(ʊ)ˈkəʊbəltʌɪt/, /ˌfɛrə(ʊ)kəʊˈbɔːltʌɪt/, /ˌfɛrə(ʊ)kəʊˈbɒltʌɪt/, /ˌfɛroʊˈkoʊˌbɑlˌtaɪt/, /ˌfɛroʊˌkoʊˈbɔlˌtaɪt/, /ˌfɛroʊˌkoʊˈbɑlˌtaɪt/ [probably originally rendering German Stahlkobalt (see ferrocobaltine n.)]
Brit. /ˌfɛrə(ʊ)ˈkəʊbɔːltʌɪt/
, /ˌfɛrə(ʊ)ˈkəʊbɔːltʌɪt//ˌfɛrə(ʊ)ˈkəʊbɒltʌɪt//ˌfɛrə(ʊ)ˈkəʊbəltʌɪt//ˌfɛrə(ʊ)kəʊˈbɔːltʌɪt//ˌfɛrə(ʊ)kəʊˈbɒltʌɪt/U.S. /ˌfɛroʊˈkoʊˌbɔlˌtaɪt/
, /ˌfɛroʊˈkoʊˌbɔlˌtaɪt//ˌfɛroʊˈkoʊˌbɑlˌtaɪt//ˌfɛroʊˌkoʊˈbɔlˌtaɪt//ˌfɛroʊˌkoʊˈbɑlˌtaɪt/ΚΠ
1868 J. D. Dana Syst. Mineral. (ed. 5) 72 Ferrocobaltite..from the Hamberg mine, Siegen.
1910 Encycl. Brit. VI. 605/2 A variety [of cobaltite] containing much iron replacing cobalt, and known as ferrocobaltite (Ger. Stahlkobalt), occurs at Siegen in Westphalia.
2001 A. K. Biswas Minerals & Metals Pre-modern India iii. 71 The chemical analysis (percentages): sulphur 19.46, arsenic 43.87, cobalt 28.30, iron 7.83 suggested that it is ferro-cobaltite.
ferrogoslarite n. /ˌfɛrə(ʊ)ˈɡɒslərʌɪt/, /ˌfɛroʊˈɡɑzləˌraɪt/ now rare
Brit. /ˌfɛrə(ʊ)ˈɡɒzlərʌɪt/
, /ˌfɛrə(ʊ)ˈɡɒzlərʌɪt//ˌfɛrə(ʊ)ˈɡɒslərʌɪt/U.S. /ˌfɛroʊˈɡɑsləˌraɪt/
, /ˌfɛroʊˈɡɑsləˌraɪt//ˌfɛroʊˈɡɑzləˌraɪt/ΚΠ
1891 H. A. Wheeler in Amer. Jrnl. Sci. 141 212 As the properties of the mineral correspond so closely to those of goslarite, differing only..in the occurrence of ferrous sulphate with the variation to be expected therefrom, I have given it the name of ferro-goslarite.
1907 H. Louis tr. C. Schnabel Handbk. Metall. (ed. 2) II. 20 Ferrogoslarite, a sulphate of zinc and iron which occurs in Missouri and Kansas.
1981 Utah Geol. & Mineral Surv. Bull. 117 73/2 Ferrogoslarite. Hydrous zinc iron sulfate, (Zn,Fe)SO4.7H2O. Orthorhombic. Usually in crusts or stalagmitic, with fibrous structure.
b.
ferrocolumbite n. /ˌfɛrə(ʊ)ˈkɒləmbʌɪt/,
Brit. /ˌfɛrə(ʊ)kəˈlʌmbʌɪt/
, /ˌfɛrə(ʊ)kəˈlʌmbʌɪt//ˌfɛrə(ʊ)ˈkɒləmbʌɪt/U.S. /ˌfɛroʊˈkɑləmˌbaɪt/
†(a) the mineral tantalite, formerly mistakenly believed to contain niobium (columbium) rather than tantalum (obsolete rare); (b) (an iron-rich variety of) the mineral columbite./ˌfɛroʊˈkɑləmˌbaɪt/ΚΠ
1844 C. U. Shepard Treat. Mineral. (ed. 2) 154 Ferrocolumbite..Form as above [sc. columbite]. (Lo. Kimito and Tamela, Finland. Col. acid 83.2, protox. iron 7.2, protox mang. 7.4, ox. tin 0.6. Berzelius.).
1921 Bull. U.S. Geol. Surv. No. 679. 60 Ferrocolumbite. Haddon, Conn... Translucent only on very thin edges. Absorption rather strong.
2010 K. R. Long et al. Principal Rare Earth Elements Deposits U. S. 32 Columbite and tantalite are obsolete names for a mineral series; columbite is now named ferrocolumbite (Fe2+Nb2O6).
ferro-ilmenite n.
Brit. /ˌfɛrəʊˈɪlmᵻnʌɪt/
, /ˌfɛrəʊˈɪlmᵻnʌɪt/U.S. /ˌfɛroʊˈɪlməˌnaɪt/
[in sense (a) after German Ferroilmenit (R. Hermann 1870, in Jrnl. f. prakt. Chem. 2 119)] (a) a mineral containing iron and niobium, subsequently identified with columbite (now rare or disused); (b) an iron-rich variety of ilmenite./ˌfɛroʊˈɪlməˌnaɪt/ΚΠ
1870 Chem. News 30 Sept. 166/2 Composition of Ferro-Ilmenite, from Haddam, Connecticut, U.S.—R. Hermann.—The mineral alluded to is a tough, compact substance.
1909 Cent. Dict. Suppl. 861/2 Neptunium, a supposed new element announced by Hermann in 1877 as present in columbite and ferro-ilmenite.
1962 Jrnl. Sedimentary Petrol. 32 300/2 Ferroilmenite is defined as a ferromagnetic mineral having a rhombohedral structure.
1998 Jrnl. Geochem. Explor. 64 359 Iron-rich sediment: greensand, silty in places; magnetite and ferro-ilmenite beach sand; bog iron ore.
ferronatrite n.
Brit. /ˌfɛrə(ʊ)ˈneɪtrʌɪt/
, /ˌfɛrə(ʊ)ˈneɪtrʌɪt/U.S. /ˌfɛroʊˈneɪˌtraɪt/
[probably < ferro- comb. form + natr- (in natrium n.) + -ite suffix1; compare sideronatrite n.] now historical and rare = ferrinatrite n./ˌfɛroʊˈneɪˌtraɪt/ΚΠ
1889 J. B. Mackintosh in Amer. Jrnl. Sci. 138 244 Ferronatrite..occurs in stellate groups of a pale, whitish green color, forming nearly spherical nodules... This mineral is somewhat similar to sidero-natrite.
1922 J. W. Mellor Comprehensive Treat. Inorg. & Theoret. Chem. II. 656 Ferronatrite, also from Chile, approximates 3Na2SO4.Fe(SO4)2.6H2O.
1999 U.S. Patent 5,908,716 5 The original name was ferronatrite, from the content of iron and sodium. This was changed to ferrinatrite for consistency with the trivalent state of the iron in the mineral.
ferropallidite n.
Brit. /ˌfɛrə(ʊ)ˈpalᵻdʌɪt/
, /ˌfɛrə(ʊ)ˈpalᵻdʌɪt/U.S. /ˌfɛroʊˈpæləˌdaɪt/
[ < ferro- comb. form + classical Latin pallidus pallid adj. + -ite suffix1, after German Ferropallidit (R. Scharizer 1903, in Zeitschr. f. Krystallogr. u. Min. 37 547] now rare or disused = szomolnokite n./ˌfɛroʊˈpæləˌdaɪt/ΚΠ
1903 Jrnl. Chem. Soc. 84 ii. 556 Ferropallidite..This name was given to a white, granular mineral which occurs with römerite at Alcapa rossa, Calama, Chili.
1922 W. E. Ford Dana's Mineral. (ed. 3) 633 Szomolnokite... Apparently identical with ferropallidite from near Copiapo, Chile.
ferrotellurite n.
Brit. /ˌfɛrə(ʊ)ˈtɛljᵿrʌɪt/
, /ˌfɛrə(ʊ)ˈtɛljᵿrʌɪt/U.S. /ˌfɛroʊˈtɛljəˌraɪt/
now rare or disused a mineral of uncertain identity, perhaps impure tellurite, reported to occur in Colorado as microscopic yellow crystals./ˌfɛroʊˈtɛljəˌraɪt/ΚΠ
1878 F. A. Genth in Proc. Amer. Philos. Soc. 1877–8 17 119 Ferrotellurite, a new mineral. A crystalline coating on quartz, associated with native tellurium.
1906 Prof. Papers U.S. Geol. Surv. No. 54. iv. 118 Ferrotellurite and magnolite (Genth) from Boulder County, Colo., have, probably, the compositions FeTeO4 and Hg2TeO4, but neither species is satisfactorily established.
1969 W. C. Kelly & E. N. Goddard Telluride Ores Boulder County 151 As previously noted, questionable tellurites ‘magnolite’ and ‘ferrotellurite’..have been dropped from the record for want of definitive descriptions.
3.
a. Metallurgy. Forming names of alloys of iron with another element; cf. ferro-alloy n. at sense 3b.
ferro-aluminium n.
Brit. /ˌfɛrəʊal(j)ᵿˈmɪnɪəm/
, /ˌfɛrəʊal(j)ᵿˈmɪnɪəm/U.S. /ˌfɛroʊˌæləˈmɪniəm/
/ˌfɛroʊˌæləˈmɪniəm/ΚΠ
1888 Chem. News 6 July 11/2 I have applied this method to all the grades of ferro-aluminium that we manufacture, varying from 1 to 19 per cent Al.
1953 S. L. Case & K. R. van Horn Aluminium in Iron & Steel i. 14 Ferroaluminium is an alloy of Fe and 40–50% Al.
2004 Derby Evening Tel. (Nexis) 27 Jan. 5 Ferro alloys such as ferro titanium and ferro aluminium are processed to various sizes, including fine powders for use by the welding industry and steel industries.
ferro-aluminum n.
Brit. /ˌfɛrəʊəˈl(j)uːmᵻnəm/
, /ˌfɛrəʊəˈl(j)uːmᵻnəm/U.S. /ˌfɛroʊəˈlumənəm/
North American/ˌfɛroʊəˈlumənəm/ΚΠ
1887 Proc. U.S. Naval Inst. 13 659 The success that many steel founders are making with the ferro-aluminum alloy produced at Lockport, N.Y.
1969 U.S. Patent 3,443,776 Ferro-aluminum, a very hard and brittle alloy made directly in electric furnaces..used in obtaining aluminum from its oxides.
2010 A. Groysman Corrosion for Everybody iv. 166 In calorizing, aluminum is usually used for diffusion treatment together with alloy ferro aluminum (Fe–Al) or other alloys.
ferroboron n.
Brit. /ˌfɛrə(ʊ)ˈbɔːrɒn/
, /ˌfɛrə(ʊ)ˈbɔːrɒn/U.S. /ˌfɛroʊˈbɔˌrɑn/
/ˌfɛroʊˈbɔˌrɑn/ΚΠ
1877 Sci. Amer. 1 Dec. 341/3 Experiments were made with two kinds of ferro-boron; the one which contained 11 per cent of boron was somewhat malleable.
1910 Jrnl. Chem. Soc. 98 ii. 508 The behaviour of Goldschmidt's ferroboron and manganese-boron on heating in chlorine and hydrogen sulphide.
2011 Energy Procedia 7 69 It is proposed to use ferroboron as a shield material in 8 rows.
ferrochrome n.
Brit. /ˈfɛrə(ʊ)krəʊm/
, /ˈfɛrə(ʊ)krəʊm/U.S. /ˈfɛrəˌkroʊm/
/ˈfɛrəˌkroʊm/ΚΠ
1878 Jrnl. Chem. Soc. 34 772 The discovery of chrome-steel and ferrochrome by Berthier in 1821.
1958 Times Rev. Industry Mar. 47/3 Special steelmakers are in a dilemma about carbon-free ferro-chrome, one of the basic raw materials of special alloy steels.
2008 Guardian (Nexis) 2 Dec. 28 Xstrata fell 116.5p to 814p after shutting five furnaces producing ferrochrome, a component in stainless steel.
ferrochromium n.
Brit. /ˌfɛrə(ʊ)ˈkrəʊmɪəm/
, /ˌfɛrə(ʊ)ˈkrəʊmɪəm/U.S. /ˌfɛroʊˈkroʊmiəm/
/ˌfɛroʊˈkroʊmiəm/ΚΠ
1879 Proc. Amer. Chem. Soc. 2 83 The reading of the papers of E. M. Johnson and G. H. Johnson, on ferrochromium and ferromanganese, was postponed until the next meeting.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) III. 104/1 Chromium is produced in the form of an iron alloy, ferrochromium, by the reduction of chromite ores..in the electric furnace.
2003 Times 18 Sept. 30/2 Ferrochromium prices tend to move in tandem with the value of the rand because South Africa is the world's dominant producer.
ferrocobalt n. /ˌfɛrə(ʊ)ˈkəʊbɒlt/, /ˌfɛrə(ʊ)ˈkəʊb(ə)lt/, /ˌfɛroʊˈkoʊˌbɑlt/
Brit. /ˌfɛrə(ʊ)ˈkəʊbɔːlt/
, /ˌfɛrə(ʊ)ˈkəʊbɔːlt//ˌfɛrə(ʊ)ˈkəʊbɒlt//ˌfɛrə(ʊ)ˈkəʊb(ə)lt/U.S. /ˌfɛroʊˈkoʊˌbɔlt/
, /ˌfɛroʊˈkoʊˌbɔlt//ˌfɛroʊˈkoʊˌbɑlt/ΚΠ
1885 H. Marbeau in U.S. Patent 310,901 1/1 Be it known that I..have invented new and useful Improvements in Process of Making Malleable Ferro-Nickel and Ferro-Cobalt.
1961 M. G. Say Electr. Engineer's Ref. Bk. (ed. 10) iii. 15 Alnico is similar to Alni but has a basis of ferro-cobalt instead of iron.
2008 Jrnl. Alloys & Compounds 461 179/1 The three studies..did not cover the compositions relevant to ferrocobalt produced in the smelting of waste slags.
ferromolybdenum n.
Brit. /ˌfɛrə(ʊ)məˈlɪbdənəm/
, /ˌfɛrə(ʊ)məˈlɪbdənəm/U.S. /ˌfɛroʊməˈlɪbdənəm/
/ˌfɛroʊməˈlɪbdənəm/ΚΠ
1894 Jrnl. Amer. Chem. Soc. 16 736 The alloys investigated were ferro-molybdenum, ferro-tungsten and ferro-chromium.
1963 W. H. Dennis Metall. Non-ferrous Metals viii. 133 Ferro-molybdenum is added to steel chiefly to improve hardness and increase toughness.
2003 Euroweek (Nexis) 6 May Strikeforce is..Russia's leading producer of ferromolybdenum, an alloy used in steel making.
ferronickel n.
Brit. /ˌfɛrə(ʊ)ˈnɪkl/
, /ˌfɛrə(ʊ)ˈnɪkl/U.S. /ˌfɛroʊˈnɪk(ə)l/
/ˌfɛroʊˈnɪk(ə)l/ΚΠ
1876 W. R. Lake tr. J. Garnier Brit. Patent 1194 11 The wrought iron, malleable cast iron, and steel with nickel, which I call ferro-nickel, serve advantageously for the manufacture of barrels of fire-arms, ordnance, knife blades, swords, and the like.
1969 Jrnl. Brit. Astron. Assoc. 79 193 Let us..assume for the sake of argument that the Moon's mass contains only 10% of ferro-nickel—and this is much less than does the Earth.
2011 Daily Tel. (Nexis) 28 Nov. (Business section) 3 At Barro Alto, the heat-suited workers can be seen toiling just a couple of metres above a huge vat of freshly smelted white-hot ferronickel.
ferrosilicon n. /ˌfɛroʊˈsɪləkən/
Brit. /ˌfɛrə(ʊ)ˈsɪlᵻk(ə)n/
, /ˌfɛrə(ʊ)ˈsɪlᵻk(ə)n/U.S. /ˌfɛroʊˈsɪləˌkɑn/
, /ˌfɛroʊˈsɪləˌkɑn//ˌfɛroʊˈsɪləkən/ΚΠ
1874 Jrnl. Franklin Inst. 67 293 Treated in the ordinary way, in a suitable high furnace, they yield alloys of great value.., the ferro-silicon containing as high as 22 per cent. of silicon.
1908 Westm. Gaz. 22 Dec. 2/3 Anything more dangerous to carry than casks of ferro-silicon cannot well be imagined.
1977 A. C. Davies Sci. & Pract. Welding (ed. 7) ii. 76 When the desired level of carbon and phosphorus is obtained, the slag is thoroughly removed and the melt deoxidized with ferrosilicon or aluminium.
2002 D. Goleman et al. Business: Ultimate Resource 1584/1 Aluminium and ferro-silicon manufacture from imported inputs is based on Iceland's abundant natural energy.
ferro-titanium n. /ˌfɛrə(ʊ)tᵻˈteɪnɪəm/, /ˌfɛroʊtəˈteɪniəm/
Brit. /ˌfɛrə(ʊ)tʌɪˈteɪnɪəm/
, /ˌfɛrə(ʊ)tʌɪˈteɪnɪəm//ˌfɛrə(ʊ)tᵻˈteɪnɪəm/U.S. /ˌfɛroʊtaɪˈteɪniəm/
, /ˌfɛroʊtaɪˈteɪniəm//ˌfɛroʊtəˈteɪniəm/ΚΠ
1874 Jrnl. Franklin Inst. 67 294 Ferro-tungsten and ferro-titanium..require specially constructed furnaces.
1953 L. Aitchison & W. I. Pumphrey Engin. Steels xii. 503 If the steel is to be cast into greensand moulds..special deoxidisers, such as aluminium or ferro-titanium, should always be added to the ladle.
2009 Star (Sheffield) (Nexis) 26 Feb. Mr Handzel..suffered severe burns when an explosion took place in an induction furnace melting ferro-titanium.
ferrotungsten n.
Brit. /ˌfɛrə(ʊ)ˈtʌŋst(ə)n/
, /ˌfɛrə(ʊ)ˈtʌŋst(ə)n/U.S. /ˌfɛroʊˈtəŋstən/
/ˌfɛroʊˈtəŋstən/ΚΠ
1874 Jrnl. Franklin Inst. 67 294 Ferro-tungsten and ferro-titanium..require specially constructed furnaces.
1922 T. M. Lowry Inorg. Chem. xxxix. 747 Ferro-tungsten, containing up to 80 per cent. of tungsten alloyed with iron, can be prepared by direct reduction from wolframite which is low in manganese.
2010 Australian (Nexis) 29 Sept. (Finance section) 2 The Chinese..cut export quotas for light rare earths this year and on the flip side imposed a 20 per cent tariff on ferrotungsten.
ferro-uranium n.
Brit. /ˌfɛrə(ʊ)jᵿˈreɪnɪəm/
, /ˌfɛrə(ʊ)jᵿˈreɪnɪəm/U.S. /ˌfɛroʊjʊˈreɪniəm/
/ˌfɛroʊjʊˈreɪniəm/ΚΠ
1901 21st Ann. Rep. U.S. Geol. Surv. 1899–1900: Pt. 1 308 Manufacture of ferro-uranium will probably become one of if not the largest use for the uranium ores.
1917 Science 7 Sept. 235/2 Ferro-uranium is used in making uranium steel,..said to be used by Germany for the lining of big guns.
1996 M. G. Chitkara Toxic Tibet under Nucl. China iv. 39 A little ferro-uranium has been utilized in making special steels, but its value in this connection is questionable.
ferrovanadium n.
Brit. /ˌfɛrə(ʊ)vəˈneɪdɪəm/
, /ˌfɛrə(ʊ)vəˈneɪdɪəm/U.S. /ˌfɛroʊvəˈneɪdiəm/
/ˌfɛroʊvəˈneɪdiəm/ΚΠ
1900 Engin. & Mining Jrnl. 10 Nov. 544/1 The Alloys Syndicate of London..has lately manufactured ferro-vanadium on a commercial scale.
1956 W. D. Hargreaves in D. L. Linton Sheffield 280 The city..uses quite large tonnages of pig-iron and of alloying metals, either in the pure form or as alloys such as ferro-chrome, ferro-vanadium, [etc.].
2009 Australian (Nexis) 19 Feb. 19 The mine was set to start producing ferrovanadium this year.
b.
ferro-alloy n.
Brit. /ˌfɛrəʊˈalɔɪ/
, /ˌfɛrəʊˈalɔɪ/U.S. /ˌfɛroʊˈæˌlɔɪ/
an alloy of iron with one or more other elements, typically a metal; esp. such an alloy used as an additive to modify the composition of steel./ˌfɛroʊˈæˌlɔɪ/ΘΚΠ
society > occupation and work > materials > derived or manufactured material > metal > alloy > [noun] > iron alloys
ferromanganese1864
manganeisen1881
ferro-alloy1888
silico-manganese1895
Mumetal1924
1888 Engineering 7 Sept. 232/1 The aluminium in the Cowles Company's ferro-alloy..is thoroughly integrated.
1928 C. T. Kingzett Chem. Encycl. (ed. 4) 395 Ferro-alloys are used in the steel industry to remove oxygen and nitrogen from molten steel, or to introduce into the steel a small proportion of the metal.
1960 Times 31 May (S. Afr. Suppl.) p. iv/4 The ferro-alloys used by the Union's iron and steel industry.
2012 Sunday Times (Nexis) 6 May (Business section) 1 Investors will end up with shares in the core Kazakh ferroalloy and iron mining business.
4. Used more widely with the sense ‘of, relating to, or containing iron or iron compounds’.See also ferro-concrete n. and adj., ferrometer n., etc.
ferrobacterium n.
Brit. /ˌfɛrə(ʊ)bakˈtɪərɪəm/
, /ˌfɛrə(ʊ)bakˈtɪərɪəm/U.S. /ˌfɛroʊbækˈtɪriəm/
[ < ferro- comb. form + bacterium n., after French ferrobactérie (1890 (in the paper summarized in quot. 1890) or earlier)] = iron bacterium n. at iron n.1 Compounds 2./ˌfɛroʊbækˈtɪriəm/ΘΚΠ
the world > life > biology > organism > micro-organism > bacterium > [noun] > types of
vibrio1850
micrococcus1870
microzyme1870
Spirillum1875
mycothrix1876
leptothrix1877
Spirochaete1877
streptococcus1877
Actinomyces1879
frogspawn1880
schizophyte1880
schizomycetes1881
gonococcus1882
saprophile1882
vibrion1882
coccus1883
diplococcus1883
streptobacteria1883
Clostridium1884
actinomycetes1885
pneumococcus1885
macrococcus1887
staphylococcus1887
iron bacterium1888
Proteus1888
ferrobacterium1890
meningococcus1890
rhizobium1890
sulphobacteria1890
nitrobacterium1891
Streptothrix1891
sulphur bacterium1891
myxobacter1892
Myxococcus1892
tetracoccus1893
coli1894
Pasteurella1895
pyrotoxin1895
Gaertner1897
purple bacterium1897
myxobacterium1898
pseudomonas1899
thiobacteria1900
treponema1908
corynebacterium1909
mycobacterium1909
Salmonella1913
Neisseria1915
botulinum1916
rickettsia1916
leptospira1918
acetobacter1920
Brucella1920
pseudomonad1921
strep1927
enterobacterium1929
opportunist1937
eubacterium1939
agrobacterium1942
persister1944
Moraxella1948
enteric1956
streptomycete1956
leptospire1957
transformant1957
lysogen1958
listeria1961
C. difficile1962
yersinia1967
Campylobacter1971
cyanobacterium1973
coryneform1976
eubacterium1977
legionella1979
acetogen1982
C. diff.1990
acidophilous1996
1890 Abstr. Sanitary Rep. 27 June 279 There exist organisms whose rôle is exclusively the oxydation of hydrosulphuric acid and of the salts of iron (the sulphobacteria and ferrobacteria).
1965 B. E. Freeman tr. A. Vandel Biospeleol. xix. 335 In 1957, V. Caumartin isolated a ferrobacterium which is widely distributed in the clay of caves.
2012 G. Ranalli et al. in T. Schmidt & M. Schaechter Topics in Ecol. & Environmental Microbiol. xxxviii. 570/1 Ferrobacteria are found on stone containing pyrites.
ferro-cement n.
Brit. /ˌfɛrə(ʊ)sᵻˈmɛnt/
, /ˌfɛrə(ʊ)sᵻˈmɛnt/U.S. /ˌfɛroʊsəˈmɛnt/
(a) reinforced concrete; = ferro-concrete n. (now rare); (b) a construction material made from thin layers of mortar containing steel wire or mesh; frequently attributive. [In sense (a), the French term for the material is ciment et fer (1869 or earlier), lit. ‘cement and iron’; in sense (b) after Italian ferrocemento (P. L. Nervi 1951, in Ingegnere 25 17).] /ˌfɛroʊsəˈmɛnt/ΘΚΠ
society > occupation and work > materials > derived or manufactured material > cement or mortar > [noun] > reinforced with steel rods
ferro-cement1899
1899 Hampshire Advertiser 15 Feb. 4/3 A deputation from Portsmouth has been appointed to visit Southampton to inspect some ferro-cement, which is a French invention.
1915 E. L. Heidenreich Engineers ̕Pocketbk. Reinforced Concrete 1 When reinforced concrete first appeared in America it was known as armored concrete; subsequent names applied to it have been ferroconcrete, ferro-cement, steel-concrete, and concrete-steel.
1953 Archit. Forum Nov. 145/2 Movable ferro-cement forms were used by Nervi in this multistory tobacco warehouse at Bologna (1952).
1965 W. H. Taylor Concrete Technol. & Pract. xxxv. 553 Many spatial frames erected with ferro-cement include the 312-ft span corrugated vault of the Turin exhibition hall in Italy.
1971 Observer 25 July 3/4 This 16-ft ferro-cement sphere is in a meadow..near Biggin Hill, Kent.
2002 Times (India) (Nexis) 12 May About 200 economy houses were constructed in different parts of the district, using concrete rafters and ferrocement reepers.
2005 Vanity Fair May 258/1 The ferro-cement he developed for his yacht is now on the roof of the Menil Collection art museum he designed in Houston.
ferrogallic adj. /ˌfɛrəˈɡælɪk/ now chiefly historical (a) designating inks made by adding an iron salt to gallic, tannic, or gallotannic acid; (b) designating a process for producing dark-line images or photocopies using paper sensitized with a solution containing an iron salt and developed with gallic, tannic, or gallotannic acid; (also) designating paper, prints, etc., used or produced in this process.
Brit. /ˌfɛrə(ʊ)ˈɡalɪk/
, /ˌfɛrə(ʊ)ˈɡalɪk/U.S. /ˌfɛroʊˈɡælɪk/
, /ˌfɛroʊˈɡælɪk//ˌfɛrəˈɡælɪk/ΘΚΠ
society > communication > representation > [adjective] > of or relating to copying apparatus > photocopying > types of
ferrogallic1860
reflex1939
multicopying1958
1860 New Amer. Cycl. IX. 530/2 The materials of the common ferro-gallic inks may be used separately for a sympathetic ink.
1891 Surveyor 5 Dec. 109 In plan reproduction we notice that the Ferro-gallic process was preferred to the prussiate, and is more largely used.
1902 Encycl. Brit. XXXI. 703/2 For architects and engineers, cyanotype and ferro-gallic papers are prepared in rolls of considerable width for the direct reproduction of tracings and drawings.
1927 J. Southworth & T. L. J. Bentley Photogr. Chemicals & Chem. 87 Gallic acid... Its formation of a blue-black ink-like compound with ferric salts is made use of in the ferro-gallic black-line modification of the blue-print process.
1996 Amer. Archivist 59 208 Architectural prints from the nineteenth and early twentieth centuries include examples of..sun prints, Vandykes, and ferrogallic prints.
2009 Jrnl. Appl. Pyrolysis 86 192/1 As the later generations of librarians and manuscript keepers discovered, ferrogallic inks used for centuries remain chemically active and eventually damage the paper.
ferro-print n.
Brit. /ˈfɛrə(ʊ)prɪnt/
, /ˈfɛrə(ʊ)prɪnt/U.S. /ˈfɛroʊˌprɪnt/
now historical and rare a print made using a ferrotype process (see ferrotype n. 1)./ˈfɛroʊˌprɪnt/ΚΠ
1884 E. Wallace Amateur Photographer (ed. 3) 211 Ferrotype.—A Positive Collodion Photograph made on a plate of Iron covered with a jet black varnish. Not to be confounded with Ferro-prints or blue-prints.
1914 Lit. Year-bk. 494 Ferro-print, ferro-gallic and ferro-phosphate. Prints made from salts of iron sensitizers, principally used for plans and copying tracings in blue or black lines.
1953 Sankhyā 12 390 Number of ferro-prints processed by the section was 104.
ferroresonance n. /ˌfɛrə(ʊ)ˈrɛzn̩əns/, /ˌfɛroʊˈrɛzn̩əns/ [after French ferro-résonance (P. Boucherot 1920, in Rev. gen. de l’électricité 22 May 678/2, the paper summarized in quot. 1920); the phenomenon is so called because it was first observed in iron-sheathed cables] a type of resonance in which there is an interaction between a non-linear inductance (typically, that of an iron-core component) and the capacitance of a circuit.
Brit. /ˌfɛrə(ʊ)ˈrɛzənəns/
, /ˌfɛrə(ʊ)ˈrɛzənəns//ˌfɛrə(ʊ)ˈrɛzn̩əns/U.S. /ˌfɛroʊˈrɛzənəns/
, /ˌfɛroʊˈrɛzənəns//ˌfɛroʊˈrɛzn̩əns/ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electrically induced magnetism > electromagnetic induction > [noun] > ferro-resonance
ferroresonance1920
1920 Abstr. Papers Sci. Trans. & Periodicals No. 5. 112 He [sc. P. Boucherot] gives the name of ‘ferro-resonance’ to the effect produced when the self-induction is variable owing to the presence of iron sheathing.
1956 T. E. Ivall Electronic Computers viii. 103 Ferro-resonance is the condition which exists when a saturable inductor and a capacitor resonate so that the increased current at resonance keeps the inductor core saturated.
2005 Jrnl. Materials Processing Technol. 161 157/1 Ferroresonance can occur when a de-energized phase of a no-load transformer is suddenly energized through capacitance coupling with the other phases.
ferroresonant adj. /ˌfɛrə(ʊ)ˈrɛzn̩ənt/, /ˌfɛroʊˈrɛzn̩ənt/ [after ferroresonance n.] exhibiting or employing ferroresonance.
Brit. /ˌfɛrə(ʊ)ˈrɛzənənt/
, /ˌfɛrə(ʊ)ˈrɛzənənt//ˌfɛrə(ʊ)ˈrɛzn̩ənt/U.S. /ˌfɛroʊˈrɛzənənt/
, /ˌfɛroʊˈrɛzənənt//ˌfɛroʊˈrɛzn̩ənt/ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electrically induced magnetism > electromagnetic induction > [adjective] > relating to ferro-resonance
ferroresonant1930
1930 U.S. Patent 1,763,014 2/2 A gradual decrease in the generated voltage effects a gradual decrease in the current flow through the ferro-resonant circuit.
1963 Amer. Scientist June 121 a (advt.) Kepco's Flux-O-Tran is a ferro-resonant static magnetic voltage stabilizer.
2007 J. C. Whitaker AC Power Syst. Handbk. (ed. 3) xiv. 215 Ferroresonant transformers exhibit unique voltage-regulation characteristics that have proven valuable in a wide variety of applications.
ferrospinel n. /ˈfɛrə(ʊ)spᵻˌnɛl/, /ˈfɛroʊspəˌnɛl/ Materials Science a ferromagnetic substance having a spinel structure (cf. ferrite n. 1); (also) an iron-containing spinel, whether ferromagnetic or not.
Brit. /ˌfɛrə(ʊ)spᵻˈnɛl/
, /ˌfɛrə(ʊ)spᵻˈnɛl//ˈfɛrə(ʊ)spᵻˌnɛl/U.S. /ˌfɛroʊspəˈnɛl/
, /ˌfɛroʊspəˈnɛl//ˈfɛroʊspəˌnɛl/ΘΚΠ
the world > matter > physics > solid state physics > semiconductivity > [noun] > crystalline piece
crystal1907
ferrospinel1950
the world > matter > physics > electromagnetic radiation > magnetism > types of magnetism > [noun] > ferromagnetism > body or substance
ferromagnetic1850
ferromagnet1887
ferrospinel1950
1950 R. L. Harvey et al. in RCA Rev. Sept. 321 Ferrospinels are unique crystalline materials of spinel structure which are formed at high temperatures by solid-phase reaction of iron oxide and one or more of certain other metal oxides. [Note] The coined word ferrospinel is used to denote a ferromagnetic spinel... Ferrospinels are sometimes called ‘ferrites’.
1971 Jrnl. Physics & Chem. Solids 32 1465/1 In ferro-spinels, the itinerant electrons associated with the Fe2+ ions play a major part in determining the electronic properties.
1986 W. B. Hubbard & R. A. Masteler tr. V. N. Zharkov Interior Struct. Earth & Planets vi. 120 Depending on the dominant cation B, we differentiate between: the alumospinels, or the spinel group; the ferrospinels, or the magnetite group; the chromospinels, or the chromite group; and the titano- and vanadiospinels.
2011 Materials Sci. & Engin. B. 176 103 The cobalt ferrospinel was found to have better catalytic activity as compared to the Cr-substituted ferrospinels and the pure oxides.
This entry has been updated (OED Third Edition, June 2014; most recently modified version published online June 2022).
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comb. form1815- southern-side
- southern-tinted
- southerner
- southerners
- southernest
- southernfried
- southernise
- southernised
- southernises
- southernish
- southernising
- southernism
- southernisms
- southernization
- southernize
- spear-headed
- spear-hook
- spear-hurler
- spear-leaf
- spear-length
- spear-like
- spear-lily
- spear-nail
- spear-nosed
- spear-phishing