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单词 zirconium
释义

zirconiumn.

Brit. /zəːˈkəʊnɪəm/, /zəˈkəʊnɪəm/, U.S. /zərˈkoʊniəm/
Forms: 1800s zirconum, 1800s– zirconium.
Origin: Formed within English, by derivation. Etymons: zircon n., -ium suffix.
Etymology: < zircon n. + -ium suffix.Coined by H. Davy (compare quot. 1808 at main sense). Compare alumium n., silicium n. In form zirconum showing alteration after -um (in the names of other metals): compare alumium n., aluminum n., and aluminium n., and see discussion of H. Davy's coinages at those entries.
A hard lustrous grey metallic chemical element, atomic no. 40, which is one of the transition metals, occurs chiefly in zircon, and is used as a coating for nuclear fuel rods, in corrosion-resistant alloys, etc. Symbol Zr.
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the world > matter > chemistry > elements and compounds > metals > specific elements > zirconium > [noun]
zirconium1808
Zr1814
1808 H. Davy in Philos. Trans. (Royal Soc.) 98 353 Had I been so fortunate as to have..procured the metallic substances I was in search of, I should have proposed for them the names of silicium, alumium, zirconium, and glucium.
1812 H. Davy Elements Chem. Philos. 361 No substance has as yet been formed..in which zirconum can be supposed to exist free from oxygene.
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. 382 Zirconium..is a tetrad metal.
1955 Sci. Amer. Oct. 35 In its ores zirconium is invariably accompanied by hafnium, which absorbs neutrons all too readily.
1995 New Scientist 23 Dec. 47/1 Unfortunately zirconium tugs hard on the purse strings, at about £3.5 million a tonne.

Compounds

In general use as a modifier.
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1858 A. B. Northcote & A. H. Church Man. Qualitative Chem. Anal. i. vi. 106 Zirconium salts are believed to be sesqui-salts.
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 382 Zirconium Oxide..is prepared by strongly igniting zircon.
1906 Athenæum 1 Sept. 245/3 The osmium, tantalum, and zirconium incandescent filaments of electric glow-lamps.
1995 Sci. News 14 Jan. 23/2 Picture the catalyst as a large pair of jaws with a zirconium metal atom sitting in the center.
2004 J. Emsley Vanity, Vitality, & Virility (2006) i. 13 Silver lactate has been used in anti-dandruff shampoos, and zirconium lactate makes a good antiperspirant.
This entry has been updated (OED Third Edition, March 2021; most recently modified version published online March 2022).
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