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单词 achirite
释义

achiriten.

Origin: A borrowing from French. Etymon: French Achirit.
Etymology: < French Achirit (B. F. J. Hermann c1802, in Nova acta Acad. Sci. Imperialis Petropolitanae 13 339) < the name of Achir Mamed (see note) + -it -ite suffix1. Compare French Aschirite (1806, in Nova acta Acad. Sci. Imperialis Petropolitanae 15 64; < Aschir, a variant of the title).Achir Mamed was a merchant from Bukhara, who sent the first specimen of the mineral from Altyn Tyube (now in Uzbekistan) to St Petersburg in 1785 (compare quot. 1837). Achir and Aschir are European renderings of a title in pre-modern Uzbek ( < Arabic ʿāšir collector of tithes < ʿašara to collect the tithe < ʿušr tithe). N.E.D. (1884) gives the pronunciation as (æ·kirəit) /ˈækɪraɪt/.
Mineralogy. Obsolete.
= dioptase n.
ΘΚΠ
the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > other silicates of one element
achirite1820
planchéite1908
soddyite1922
parsettensite1924
bredigite1948
coffinite1954
1820 R. Jameson Syst. Mineral. (ed. 3) I. 347 Rhomboidal emerald copper,..emeraudine,..dioptase,..achirite.
1837 J. D. Dana Syst. Mineral. 239 Dioptase..was first brought by a Bucharian merchant, Achir Mamed. It was named Achirite, after this merchant.
1872 T. Egleston Lect. Mineral. 69 Dioptase... Syn. Achirite.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online June 2018).
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n.1820
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