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单词 zeilanite
释义

zeilaniten.

Brit. /ˈzʌɪlənʌɪt/, U.S. /ˈzaɪləˌnaɪt/
Forms: 1800s zeilanite, 1800s zeylanite.
Origin: A borrowing from German. Etymon: German Zeilanit.
Etymology: < German Zeilanit, Zeylanit, variants of Ceylanit (1801 or earlier; < French ceylanite ceylonite n.), with remodelling of the suffix after -ite suffix1. Compare earlier ceylonite n.The German forms with initial z reflect German †Zeilan , †Zeylan , former variants of Ceylon , †Ceylan , the former name of Sri Lanka ( < English Ceylon , †Ceylan : see Ceylon n.). In German, the first syllable of the place name is usually pronounced /tsai/ as a result of spelling pronunciation (hence the diphthong in English), with z subsequently sometimes replacing c to represent the initial /ts/.
Mineralogy. Now rare.
A variety of spinel containing iron, first discovered in Sri Lanka; = ceylonite n.Formula: (Mg, Fe)Al2O4.
ΘΚΠ
the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > spinel group AB2 O4 > ceylonite
ceylonite1802
pleonaste1802
zeilanite1815
1815 C. L. Giesecke Syllabus Mineral Syst. 6 (table) Family of Rubies... Zeylanite.
1851 H. Watts tr. L. Gmelin Hand-bk. Chem. V. 275 Aluminate of Ferrous Oxide.—Zeilanite [Ger. Zeilanit].
1892 Jrnl. Analyt. & Appl. Chem. 9 584 It is assumed that spinel must contain MgO, that gahnite and franklinite must contain ZnO, that zeilanite must contain Al2O3.
1956 Parl. Deb. (Austral. House of Representatives) 10 1475/2 Will the Minister advise..whether he is aware of the delay in electrical construction at mines, mills and industrial projects, due to the shortage of zeilanite.
This entry has been updated (OED Third Edition, June 2018; most recently modified version published online March 2022).
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n.1815
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