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单词 melanchlor
释义

melanchlorn.

Brit. /ˈmɛlənklɔː/, U.S. /ˈmɛl(ə)nˌklɔr/
Forms: 1800s– melanchlor, 1800s– melanchlore.
Origin: A borrowing from German. Etymon: German Melanchlor.
Etymology: < German Melanchlor (J. N. Fuchs 1839, in Jrnl. f. prakt. Chem. 17 173) < ancient Greek or Hellenistic Greek μελάγχλωρος dark olive-coloured (readings in Hippocrates and Aristotle are disputed) < ancient Greek μελαν- (see melano- comb. form) + χλωρός green (see chloro- comb. form1).
Mineralogy. Now historical.
A blackish-green hydrous phosphate of iron, probably heterosite or a mixture of heterosite and dufrenite.
ΘΚΠ
the world > the earth > minerals > types of mineral > phosphates > [noun] > phosphates of iron
siderite1784
siderites1794
green iron ore1804
scorodite1823
vivianite1823
dufrenite1837
melanchlor1854
neoctese1854
globosite1868
strengite1881
koninckite1885
phosphosiderite1890
tinticite1946
laubmannite1949
1854 J. D. Dana Syst. Mineral. (ed. 4) II. 428 Melanchlor.
1865 H. Watts Dict. Chem. III. 866 Melanchlor.
1941 Geol. Föreningens i Stockholm Förhandl. 63 150 All the evidence shows that melanchlor is not a definite mineral species, but a mixture of several separately known species, and the name melanchlor should therefore be discarded.
This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022).
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n.1854
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