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单词 manganolite
释义

manganoliten.

Brit. /maŋˈɡanəlʌɪt/, /manˈɡanəlʌɪt/, U.S. /ˌmæŋˈɡænəlaɪt/, /ˌmænˈɡænəlaɪt/
Origin: Formed within English, by compounding. Etymons: mangano- comb. form1, -lite comb. form1.
Etymology: < mangano- comb. form1 + -lite comb. form1, in sense 1 after German Manganolith (E. F. Glocker Handb. Mineral. (1831) 648).
Mineralogy.
1. Mineralogy. = rhodonite n. Now historical.
ΘΚΠ
the world > the earth > minerals > types of mineral > silicates > inosilicates single chain > [noun] > pyroxenoid > rhodonite
rhodonite1823
fowlerite1832
mangan-amphibole1861
manganolite1885
1885 Cassell's Encycl. Dict. IV. ii Manganolite, the same as Rhodonite.
1993 A. M. Clark Hey's Mineral Index (ed. 3) 431/2 Manganolite.
2. Geology. Any rock composed predominantly of manganese minerals.
ΘΚΠ
the world > the earth > minerals > ore > [noun] > metal ore > manganese ore
wad1783
asbolan1837
groroilite1844
manganolite1893
1893 M. E. Wadsworth in Rep. State Board Michigan Geol. Surv. 1891 & 1892 93 (table) Manganolite. Unconsolidated mineralogical varieties: Wad. Consolidated structural varieties: Bog manganese or Manganesite.
1972 Gloss. Geol. (Amer. Geol. Inst.) 428/2 Manganolite, a general term for rocks composed of manganese minerals esp. manganese oxides such as wad and psilomelane.
This entry has been updated (OED Third Edition, September 2000; most recently modified version published online March 2022).
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n.1885
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