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单词 aplome
释义

aplomen.

Brit. /ˈapləʊm/, U.S. /ˈæˌploʊm/
Forms: 1800s– aplome, 1900s– haplome.
Origin: A borrowing from French. Etymon: French aplome.
Etymology: < French aplome ( R. J. Haüy Traité de minéralogie (1801) IV. 337) < ancient Greek ἁπλοῦς (uncontracted ἁπλόος ) simple (see haplo- comb. form), so called in allusion to the simplicity of its (supposed) fundamental crystal form.With the form haplome compare discussion at haplo- comb. form.
Mineralogy. Now rare.
A brownish or greenish variety of andradite garnet containing some manganese and forming crystals with twelve rhomboidal faces.
ΘΚΠ
the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > garnet > andradite
melanite1807
aplome1810
jellettite1853
andradite1868
bredbergite1868
1810 Jrnl. Nat. Philos., Chem., & Arts 25 238 The aplome has some resemblance to the garnet and the idocrase, or brown hyacinth of volcanoes... It crystallizes like the dodecahedral garnet.
1854 J. D. Dana Syst. Mineral. (ed. 4) II. 192 Aplome has the faces striated parallel to the shorter diagonal.
1893 W. F. Petterd Catal. Minerals Tasmania 7 Aplome (Iron-lime Garnet). A Garnet, of various shades of brown, but generally of a cinnamon colour. They occur in great abundance and large size.
1917 Rep. Illinois State Mus. Nat. Hist. 1913–14 23 (table) Garnet (‘Haplome’).
1952 Amer. Mineralogist 37 473 A specimen of andradite (variety aplome) is pale greenish yellow in color, massive in form. The dodecahedral form appears in small vugs.
This is a new entry (OED Third Edition, December 2013; most recently modified version published online December 2021).
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n.1810
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