molybdenan.

Brit.

/mɒlɪbˈdiːnə/, U.S.

/ˌmɑlɪbˈdinə/

Forms: 1600s–1800s molybdaena, 1600s– molybdena, 1700s–1800s molybden.

Origin: A borrowing from Latin. Etymon: Latin molybdaena.

Etymology: < classical Latin molybdaena a kind of lead ore, also as the name of a plant < ancient Greek μολύβδαινα a kind of lead ore, angler's plummet (compare discussion s.v. plumbago n.) < μόλυβδος lead (see molybdo- comb. form²) + -αινα , suffix forming nouns. Compare Middle French molybdaena plumbago (1549; French molybdène (1605; compare molybdenum n.)).The form molybden is perhaps after German Molybdän or perhaps represents an anglicized form.

Chemistry and Mineralogy.

†1. Any of various ores and salts of lead. Obsolete.

ΚΠ

1661 R. Lovell Πανορυκτολογια 38 in Πανζωορυκτολογια, sive Panzoologicomineralogia Molybdæna..it's like litharge in vertue.

1669 W. Rowland tr. J. Schroeder Compl. Chymical Dispensatory iii. xix. 246 Molybdena or Plumbago. It is natural or artificial: the first is Lead Ore or that mixed with silver.

1693 tr. S. Blankaart Physical Dict. (ed. 2) 142 Molybdæna, native and factitious, the native is only a mixture of the Lead and Silver Mine; the Factitious is a sort of Litharge.

2. (a) Any of various substances resembling lead, esp. molybdenite (molybdenum disulphide). Now chiefly historical. (b) The metallic element molybdenum. Now chiefly historical.The use of the word as the name of the element was prevalent from c1790 to c1820, the period immediately following its first isolation from its ore molybdenite.

ΚΠ

1783 W. Withering tr. T. Bergman Outl. Mineral. 65 The acid of molybdæna has never yet been obtained quite free from phlogiston.

1786 T. Beddoes tr. C. W. Scheele Chem. Ess. 227 Experiments upon Molybdæna. 1778.

1789 R. Kerr tr. A. Lavoisier Elements Chem. 249 One part ore of molybdena, which is a natural sulphuret of that metal, is put into a retort.

1796 R. Kirwan Elements Mineral. (ed. 2) II. 215 The Molybden seems to me to be only in the state of a Calx.

1798 Philos. Trans. (Royal Soc.) 88 123 I evaporated it to dryness, without perceiving any vestige of oxide of molybdæna.

1800 H. Davy Res. Nitrous Oxide App. 570 The same phenomena were presented by other pairs of metals in a degree proportional to their galvanic activity; viz. by zinc and molybdæna.

1816 P. Cleaveland Elem. Treat. Mineral. & Geol. 403 The Graphite and sulphuret of molybdena often strongly resemble each other.

1867 C. L. Bloxam Chemistry 392 Molybdenum derives its name from μολύβδαινα, lead, on account of the resemblance of its chief ore, molybdena, to black lead. Molybdena is the bisulphide of molybdenum (MoS₂), and is found chiefly in Bohemia and Sweden.

1956 E. Gunther tr. A. Krause Tlingit Indians iv. 100 First they prepare charcoal of fir pitch, soot, graphite, or molybdena.

1993 A. M. Clark Hey's Mineral Index (ed. 3) 466/1 The name molybdenite was used by R. Kirwan (1796).., but for the metal, the sulphide being Molybdena.

Compounds

† molybdena acid n. Obsolete rare = molybdic acid n. at molybdic adj. Compounds.

ΚΠ

1783 W. Withering tr. T. Bergman Outl. Mineral. 18 Molybdæna acid.

† molybdena ochre n. Obsolete rare = molybdite n.

ΚΠ

1854 J. D. Dana Syst. Mineral. (ed. 4) II. 144 Molybdena Ochre.

This entry has been updated (OED Third Edition, September 2002; most recently modified version published online March 2022).

单词	molybdena
释义	molybdenan. Brit. /mɒlɪbˈdiːnə/, U.S. /ˌmɑlɪbˈdinə/ Forms: 1600s–1800s molybdaena, 1600s– molybdena, 1700s–1800s molybden. Origin: A borrowing from Latin. Etymon: Latin molybdaena. Etymology: < classical Latin molybdaena a kind of lead ore, also as the name of a plant < ancient Greek μολύβδαινα a kind of lead ore, angler's plummet (compare discussion s.v. plumbago n.) < μόλυβδος lead (see molybdo- comb. form²) + -αινα , suffix forming nouns. Compare Middle French molybdaena plumbago (1549; French molybdène (1605; compare molybdenum n.)).The form molybden is perhaps after German Molybdän or perhaps represents an anglicized form. Chemistry and Mineralogy. †1. Any of various ores and salts of lead. Obsolete. ΚΠ 1661 R. Lovell Πανορυκτολογια 38 in Πανζωορυκτολογια, sive Panzoologicomineralogia Molybdæna..it's like litharge in vertue. 1669 W. Rowland tr. J. Schroeder Compl. Chymical Dispensatory iii. xix. 246 Molybdena or Plumbago. It is natural or artificial: the first is Lead Ore or that mixed with silver. 1693 tr. S. Blankaart Physical Dict. (ed. 2) 142 Molybdæna, native and factitious, the native is only a mixture of the Lead and Silver Mine; the Factitious is a sort of Litharge. 2. (a) Any of various substances resembling lead, esp. molybdenite (molybdenum disulphide). Now chiefly historical. (b) The metallic element molybdenum. Now chiefly historical.The use of the word as the name of the element was prevalent from c1790 to c1820, the period immediately following its first isolation from its ore molybdenite. ΚΠ 1783 W. Withering tr. T. Bergman Outl. Mineral. 65 The acid of molybdæna has never yet been obtained quite free from phlogiston. 1786 T. Beddoes tr. C. W. Scheele Chem. Ess. 227 Experiments upon Molybdæna. 1778. 1789 R. Kerr tr. A. Lavoisier Elements Chem. 249 One part ore of molybdena, which is a natural sulphuret of that metal, is put into a retort. 1796 R. Kirwan Elements Mineral. (ed. 2) II. 215 The Molybden seems to me to be only in the state of a Calx. 1798 Philos. Trans. (Royal Soc.) 88 123 I evaporated it to dryness, without perceiving any vestige of oxide of molybdæna. 1800 H. Davy Res. Nitrous Oxide App. 570 The same phenomena were presented by other pairs of metals in a degree proportional to their galvanic activity; viz. by zinc and molybdæna. 1816 P. Cleaveland Elem. Treat. Mineral. & Geol. 403 The Graphite and sulphuret of molybdena often strongly resemble each other. 1867 C. L. Bloxam Chemistry 392 Molybdenum derives its name from μολύβδαινα, lead, on account of the resemblance of its chief ore, molybdena, to black lead. Molybdena is the bisulphide of molybdenum (MoS₂), and is found chiefly in Bohemia and Sweden. 1956 E. Gunther tr. A. Krause Tlingit Indians iv. 100 First they prepare charcoal of fir pitch, soot, graphite, or molybdena. 1993 A. M. Clark Hey's Mineral Index (ed. 3) 466/1 The name molybdenite was used by R. Kirwan (1796).., but for the metal, the sulphide being Molybdena. Compounds † molybdena acid n. Obsolete rare = molybdic acid n. at molybdic adj. Compounds. ΚΠ 1783 W. Withering tr. T. Bergman Outl. Mineral. 18 Molybdæna acid. † molybdena ochre n. Obsolete rare = molybdite n. ΚΠ 1854 J. D. Dana Syst. Mineral. (ed. 4) II. 144 Molybdena Ochre. This entry has been updated (OED Third Edition, September 2002; most recently modified version published online March 2022). < n.1661
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